{ "sec-aggregate-error-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AggregateError.json", "name": "AggregateError", "slug": "JavaScript/Reference/Global_Objects/AggregateError/AggregateError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError/AggregateError", "summary": "The AggregateError() constructor creates AggregateError objects.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "AggregateError() constructor" } ], "sec-aggregate-error": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AggregateError.json", "name": "errors", "slug": "JavaScript/Reference/Global_Objects/AggregateError/errors", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError/errors", "summary": "The errors data property of an AggregateError instance contains an array representing the errors that were aggregated.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "AggregateError: errors" } ], "sec-aggregate-error-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AggregateError.json", "name": "AggregateError", "slug": "JavaScript/Reference/Global_Objects/AggregateError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AggregateError", "summary": "The AggregateError object represents an error when several errors need to be wrapped in a single error. It is thrown when multiple errors need to be reported by an operation, for example by Promise.any(), when all promises passed to it reject.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "AggregateError" } ], "sec-array-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "Array", "slug": "JavaScript/Reference/Global_Objects/Array/Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Array", "summary": "The Array() constructor creates Array objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array() constructor" } ], "sec-array.prototype.at": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "at", "slug": "JavaScript/Reference/Global_Objects/Array/at", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/at", "summary": "The at() method takes an integer value and returns the item at that index, allowing for positive and negative integers. Negative integers count back from the last item in the array.", "support": { "chrome": { "version_added": "92" }, "chrome_android": "mirror", "deno": { "version_added": "1.12" }, "edge": "mirror", "firefox": { "version_added": "90" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.6.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "92" } }, "title": "Array.prototype.at()" } ], "sec-array.prototype.concat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "concat", "slug": "JavaScript/Reference/Global_Objects/Array/concat", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/concat", "summary": "The concat() method is used to merge two or more arrays. This method does not change the existing arrays, but instead returns a new array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.concat()" } ], "sec-array.prototype.copywithin": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "copyWithin", "slug": "JavaScript/Reference/Global_Objects/Array/copyWithin", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/copyWithin", "summary": "The copyWithin() method shallow copies part of an array to another location in the same array and returns it without modifying its length.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "32" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.copyWithin()" } ], "sec-array.prototype.entries": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "entries", "slug": "JavaScript/Reference/Global_Objects/Array/entries", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/entries", "summary": "The entries() method returns a new array iterator object that contains the key/value pairs for each index in the array.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "28" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.entries()" } ], "sec-array.prototype.every": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "every", "slug": "JavaScript/Reference/Global_Objects/Array/every", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every", "summary": "The every() method tests whether all elements in the array pass the test implemented by the provided function. It returns a Boolean value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.every()" } ], "sec-array.prototype.fill": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "fill", "slug": "JavaScript/Reference/Global_Objects/Array/fill", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fill", "summary": "The fill() method changes all elements in an array to a static value, from a start index (default 0) to an end index (default array.length). It returns the modified array.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.fill()" } ], "sec-array.prototype.filter": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "filter", "slug": "JavaScript/Reference/Global_Objects/Array/filter", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter", "summary": "The filter() method creates a shallow copy of a portion of a given array, filtered down to just the elements from the given array that pass the test implemented by the provided function.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.filter()" } ], "sec-array.prototype.find": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "find", "slug": "JavaScript/Reference/Global_Objects/Array/find", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find", "summary": "The find() method returns the first element in the provided array that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "array-find", "title": "Array.prototype.find" }, "title": "Array.prototype.find()" } ], "sec-array.prototype.findindex": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "findIndex", "slug": "JavaScript/Reference/Global_Objects/Array/findIndex", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex", "summary": "The findIndex() method returns the index of the first element in an array that satisfies the provided testing function. If no elements satisfy the testing function, -1 is returned.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "array-find-index", "title": "Array.prototype.findIndex" }, "title": "Array.prototype.findIndex()" } ], "sec-array.prototype.findlast": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "findLast", "slug": "JavaScript/Reference/Global_Objects/Array/findLast", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findLast", "summary": "The findLast() method iterates the array in reverse order and returns the value of the first element that satisfies the provided testing function. If no elements satisfy the testing function, undefined is returned.", "support": { "chrome": { "version_added": "97" }, "chrome_android": "mirror", "deno": { "version_added": "1.16" }, "edge": "mirror", "firefox": { "version_added": "104" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "97" } }, "title": "Array.prototype.findLast()" } ], "sec-array.prototype.findlastindex": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "findLastIndex", "slug": "JavaScript/Reference/Global_Objects/Array/findLastIndex", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findLastIndex", "summary": "The findLastIndex() method iterates the array in reverse order and returns the index of the first element that satisfies the provided testing function. If no elements satisfy the testing function, -1 is returned.", "support": { "chrome": { "version_added": "97" }, "chrome_android": "mirror", "deno": { "version_added": "1.16" }, "edge": "mirror", "firefox": { "version_added": "104" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "97" } }, "title": "Array.prototype.findLastIndex()" } ], "sec-array.prototype.flat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "flat", "slug": "JavaScript/Reference/Global_Objects/Array/flat", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat", "summary": "The flat() method creates a new array with all sub-array elements concatenated into it recursively up to the specified depth.", "support": { "chrome": { "version_added": "69" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "62" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "11.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "array-flat", "title": "flat & flatMap array methods" }, "title": "Array.prototype.flat()" } ], "sec-array.prototype.flatmap": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "flatMap", "slug": "JavaScript/Reference/Global_Objects/Array/flatMap", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flatMap", "summary": "The flatMap() method returns a new array formed by applying a given callback function to each element of the array, and then flattening the result by one level. It is identical to a map() followed by a flat() of depth 1 (arr.map(...args).flat()), but slightly more efficient than calling those two methods separately.", "support": { "chrome": { "version_added": "69" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "62" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "11.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.flatMap()" } ], "sec-array.prototype.foreach": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "forEach", "slug": "JavaScript/Reference/Global_Objects/Array/forEach", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach", "summary": "The forEach() method executes a provided function once for each array element.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.forEach()" } ], "sec-array.from": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "from", "slug": "JavaScript/Reference/Global_Objects/Array/from", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from", "summary": "The Array.from() static method creates a new, shallow-copied Array instance from an iterable or array-like object.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "32" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.from()" } ], "sec-array.prototype.includes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "includes", "slug": "JavaScript/Reference/Global_Objects/Array/includes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes", "summary": "The includes() method determines whether an array includes a certain value among its entries, returning true or false as appropriate.", "support": { "chrome": { "version_added": "47" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "43" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "array-includes", "title": "Array.prototype.includes" }, "title": "Array.prototype.includes()" } ], "sec-array.prototype.indexof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "indexOf", "slug": "JavaScript/Reference/Global_Objects/Array/indexOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf", "summary": "The indexOf() method returns the first index at which a given element can be found in the array, or -1 if it is not present.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.indexOf()" } ], "sec-array.isarray": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "isArray", "slug": "JavaScript/Reference/Global_Objects/Array/isArray", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray", "summary": "The Array.isArray() static method determines whether the passed value is an Array.", "support": { "chrome": { "version_added": "4" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": "mirror", "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.isArray()" } ], "sec-array.prototype.join": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "join", "slug": "JavaScript/Reference/Global_Objects/Array/join", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join", "summary": "The join() method creates and returns a new string by concatenating all of the elements in an array (or an array-like object), separated by commas or a specified separator string. If the array has only one item, then that item will be returned without using the separator.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.join()" } ], "sec-array.prototype.keys": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "keys", "slug": "JavaScript/Reference/Global_Objects/Array/keys", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/keys", "summary": "The keys() method returns a new array iterator object that contains the keys for each index in the array.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "28" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.keys()" } ], "sec-array.prototype.lastindexof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "lastIndexOf", "slug": "JavaScript/Reference/Global_Objects/Array/lastIndexOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf", "summary": "The lastIndexOf() method returns the last index at which a given element can be found in the array, or -1 if it is not present. The array is searched backwards, starting at fromIndex.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.lastIndexOf()" } ], "sec-properties-of-array-instances-length": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "length", "slug": "JavaScript/Reference/Global_Objects/Array/length", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length", "summary": "The length data property of an Array instance represents the number of elements in that array. The value is an unsigned, 32-bit integer that is always numerically greater than the highest index in the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array: length" } ], "sec-array.prototype.map": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "map", "slug": "JavaScript/Reference/Global_Objects/Array/map", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map", "summary": "The map() method creates a new array populated with the results of calling a provided function on every element in the calling array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.map()" } ], "sec-array.of": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "of", "slug": "JavaScript/Reference/Global_Objects/Array/of", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of", "summary": "The Array.of() static method creates a new Array instance from a variable number of arguments, regardless of number or type of the arguments.", "support": { "chrome": { "version_added": "45" }, "chrome_android": { "version_added": "39" }, "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": { "version_added": "26" }, "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.of()" } ], "sec-array.prototype.pop": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "pop", "slug": "JavaScript/Reference/Global_Objects/Array/pop", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/pop", "summary": "The pop() method removes the last element from an array and returns that element. This method changes the length of the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.pop()" } ], "sec-array.prototype.push": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "push", "slug": "JavaScript/Reference/Global_Objects/Array/push", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push", "summary": "The push() method adds the specified elements to the end of an array and returns the new length of the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.push()" } ], "sec-array.prototype.reduce": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "reduce", "slug": "JavaScript/Reference/Global_Objects/Array/reduce", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce", "summary": "The reduce() method executes a user-supplied \"reducer\" callback function on each element of the array, in order, passing in the return value from the calculation on the preceding element. The final result of running the reducer across all elements of the array is a single value.", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": "mirror", "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.reduce()" } ], "sec-array.prototype.reduceright": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "reduceRight", "slug": "JavaScript/Reference/Global_Objects/Array/reduceRight", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduceRight", "summary": "The reduceRight() method applies a function against an accumulator and each value of the array (from right-to-left) to reduce it to a single value.", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": "mirror", "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.reduceRight()" } ], "sec-array.prototype.reverse": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "reverse", "slug": "JavaScript/Reference/Global_Objects/Array/reverse", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reverse", "summary": "The reverse() method reverses an array in place and returns the reference to the same array, the first array element now becoming the last, and the last array element becoming the first. In other words, elements order in the array will be turned towards the direction opposite to that previously stated.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.reverse()" } ], "sec-array.prototype.shift": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "shift", "slug": "JavaScript/Reference/Global_Objects/Array/shift", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/shift", "summary": "The shift() method removes the first element from an array and returns that removed element. This method changes the length of the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.shift()" } ], "sec-array.prototype.slice": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "slice", "slug": "JavaScript/Reference/Global_Objects/Array/slice", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice", "summary": "The slice() method returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included) where start and end represent the index of items in that array. The original array will not be modified.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.slice()" } ], "sec-array.prototype.some": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "some", "slug": "JavaScript/Reference/Global_Objects/Array/some", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some", "summary": "The some() method tests whether at least one element in the array passes the test implemented by the provided function. It returns true if, in the array, it finds an element for which the provided function returns true; otherwise it returns false. It doesn't modify the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.some()" } ], "sec-array.prototype.sort": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "sort", "slug": "JavaScript/Reference/Global_Objects/Array/sort", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort", "summary": "The sort() method sorts the elements of an array in place and returns the reference to the same array, now sorted. The default sort order is ascending, built upon converting the elements into strings, then comparing their sequences of UTF-16 code units values.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.sort()" } ], "sec-array.prototype.splice": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "splice", "slug": "JavaScript/Reference/Global_Objects/Array/splice", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice", "summary": "The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5", "notes": "From Internet Explorer 5.5 through 8, all elements of the array will not be deleted if deleteCount is omitted. This behavior was fixed in Internet Explorer 9." }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.splice()" } ], "sec-array.prototype.tolocalestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "toLocaleString", "slug": "JavaScript/Reference/Global_Objects/Array/toLocaleString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toLocaleString", "summary": "The toLocaleString() method returns a string representing the elements of the array. The elements are converted to Strings using their toLocaleString methods and these Strings are separated by a locale-specific String (such as a comma \",\").", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.toLocaleString()" } ], "sec-array.prototype.toreversed": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "toReversed", "slug": "JavaScript/Reference/Global_Objects/Array/toReversed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toReversed", "summary": "The toReversed() method of Array instances is the copying counterpart of the reverse() method. It returns a new array with the elements in reversed order.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "Array.prototype.toReversed()" } ], "sec-array.prototype.tosorted": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "toSorted", "slug": "JavaScript/Reference/Global_Objects/Array/toSorted", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toSorted", "summary": "The toSorted() method of Array instances is the copying version of the sort() method. It returns a new array with the elements sorted in ascending order.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "Array.prototype.toSorted()" } ], "sec-array.prototype.tospliced": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "toSpliced", "slug": "JavaScript/Reference/Global_Objects/Array/toSpliced", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toSpliced", "summary": "The toSpliced() method of Array instances is the copying version of the splice() method. It returns a new array with some elements removed and/or replaced at a given index.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "Array.prototype.toSpliced()" } ], "sec-array.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Array/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toString", "summary": "The toString() method returns a string representing the specified array and its elements.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.toString()" } ], "sec-array.prototype.unshift": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "unshift", "slug": "JavaScript/Reference/Global_Objects/Array/unshift", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/unshift", "summary": "The unshift() method adds the specified elements to the beginning of an array and returns the new length of the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.unshift()" } ], "sec-array.prototype.values": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "values", "slug": "JavaScript/Reference/Global_Objects/Array/values", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/values", "summary": "The values() method returns a new array iterator object that iterates the value of each item in the array.", "support": { "chrome": { "version_added": "66" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "60" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.9.0" }, { "version_added": "6.5.0", "notes": "The --harmony-array-prototype-values flag is required; the --harmony flag is not sufficient in this case.", "flags": [ { "type": "runtime_flag", "name": "--harmony-array-prototype-values" } ] }, { "version_added": "0.12.0", "version_removed": "4.0.0" } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype.values()" } ], "sec-array.prototype.with": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "with", "slug": "JavaScript/Reference/Global_Objects/Array/with", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/with", "summary": "The with() method of Array instances is the copying version of using the bracket notation to change the value of a given index. It returns a new array with the element at the given index replaced with the given value.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "Array.prototype.with()" } ], "sec-array.prototype-@@iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "@@iterator", "slug": "JavaScript/Reference/Global_Objects/Array/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/@@iterator", "summary": "The [@@iterator]() method of Array instances implements the iterable protocol and allows arrays to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns an array iterator object that yields the value of each index in the array.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "36" }, { "alternative_name": "@@iterator", "version_added": "27", "version_removed": "36", "notes": "A placeholder property named @@iterator is used." }, { "alternative_name": "iterator", "version_added": "17", "version_removed": "27", "notes": "A placeholder property named iterator is used." } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype[@@iterator]()" } ], "sec-get-array-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/Array/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/@@species", "summary": "The Array[@@species] static accessor property returns the constructor used to construct return values from array methods.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array[@@species]" } ], "sec-array.prototype-@@unscopables": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "@@unscopables", "slug": "JavaScript/Reference/Global_Objects/Array/@@unscopables", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/@@unscopables", "summary": "The @@unscopables data property of Array.prototype is shared by all Array instances. It contains property names that were not included in the ECMAScript standard prior to the ES2015 version and that are ignored for with statement-binding purposes.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Array.prototype[@@unscopables]" } ], "sec-array-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Array.json", "name": "Array", "slug": "JavaScript/Reference/Global_Objects/Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array", "summary": "The Array object, as with arrays in other programming languages, enables storing a collection of multiple items under a single variable name, and has members for performing common array operations.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Array" } ], "sec-arraybuffer-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ArrayBuffer.json", "name": "ArrayBuffer", "slug": "JavaScript/Reference/Global_Objects/ArrayBuffer/ArrayBuffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/ArrayBuffer", "summary": "The ArrayBuffer() constructor creates ArrayBuffer objects.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "ArrayBuffer() constructor" } ], "sec-get-arraybuffer.prototype.bytelength": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ArrayBuffer.json", "name": "byteLength", "slug": "JavaScript/Reference/Global_Objects/ArrayBuffer/byteLength", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/byteLength", "summary": "The byteLength accessor property of ArrayBuffer instances returns the length (in bytes) of this array buffer.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "ArrayBuffer.prototype.byteLength" } ], "sec-arraybuffer.isview": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ArrayBuffer.json", "name": "isView", "slug": "JavaScript/Reference/Global_Objects/ArrayBuffer/isView", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView", "summary": "The ArrayBuffer.isView() static method determines whether the passed value is one of the ArrayBuffer views, such as typed array objects or a DataView.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "ArrayBuffer.isView()" } ], "sec-arraybuffer.prototype.slice": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ArrayBuffer.json", "name": "slice", "slug": "JavaScript/Reference/Global_Objects/ArrayBuffer/slice", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/slice", "summary": "The slice() method returns a new ArrayBuffer whose contents are a copy of this ArrayBuffer's bytes from begin, inclusive, up to end, exclusive.", "support": { "chrome": { "version_added": "17" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "12", "notes": "The non-standard ArrayBuffer.slice() method has been removed in Firefox 53 (but the standardized version ArrayBuffer.prototype.slice() is kept." }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "6" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "ArrayBuffer.prototype.slice()" } ], "sec-get-arraybuffer-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ArrayBuffer.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/ArrayBuffer/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/@@species", "summary": "The ArrayBuffer[@@species] static accessor property returns the constructor used to construct return values from array buffer methods.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "ArrayBuffer[@@species]" } ], "sec-arraybuffer-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ArrayBuffer.json", "name": "ArrayBuffer", "slug": "JavaScript/Reference/Global_Objects/ArrayBuffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer", "summary": "The ArrayBuffer object is used to represent a generic raw binary data buffer.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "ArrayBuffer" } ], "sec-async-function-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncFunction.json", "name": "AsyncFunction", "slug": "JavaScript/Reference/Global_Objects/AsyncFunction/AsyncFunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction/AsyncFunction", "summary": "The AsyncFunction() constructor creates AsyncFunction objects.", "support": { "chrome": { "version_added": "55" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.6.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncFunction() constructor" } ], "sec-async-function-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncFunction.json", "name": "AsyncFunction", "slug": "JavaScript/Reference/Global_Objects/AsyncFunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncFunction", "summary": "The AsyncFunction object provides methods for async functions. In JavaScript, every async function is actually an AsyncFunction object.", "support": { "chrome": { "version_added": "55" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.6.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncFunction" } ], "sec-asyncgenerator-prototype-next": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncGenerator.json", "name": "next", "slug": "JavaScript/Reference/Global_Objects/AsyncGenerator/next", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncGenerator/next", "summary": "The next() method returns the next value in the sequence.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncGenerator.prototype.next()" } ], "sec-asyncgenerator-prototype-return": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncGenerator.json", "name": "return", "slug": "JavaScript/Reference/Global_Objects/AsyncGenerator/return", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncGenerator/return", "summary": "The return() method of AsyncGenerator instances acts as if a return statement is inserted in the generator's body at the current suspended position, which finishes the generator and allows the generator to perform any cleanup tasks when combined with a try...finally block.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncGenerator.prototype.return()" } ], "sec-asyncgenerator-prototype-throw": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncGenerator.json", "name": "throw", "slug": "JavaScript/Reference/Global_Objects/AsyncGenerator/throw", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncGenerator/throw", "summary": "The throw() method of AsyncGenerator instances acts as if a throw statement is inserted in the generator's body at the current suspended position, which informs the generator of an error condition and allows it to handle the error, or perform cleanup and close itself.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncGenerator.prototype.throw()" } ], "sec-asyncgenerator-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncGenerator.json", "name": "AsyncGenerator", "slug": "JavaScript/Reference/Global_Objects/AsyncGenerator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncGenerator", "summary": "The AsyncGenerator object is returned by an async generator function and it conforms to both the async iterable protocol and the async iterator protocol.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncGenerator" } ], "sec-asyncgeneratorfunction-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncGeneratorFunction.json", "name": "AsyncGeneratorFunction", "slug": "JavaScript/Reference/Global_Objects/AsyncGeneratorFunction/AsyncGeneratorFunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncGeneratorFunction/AsyncGeneratorFunction", "summary": "The AsyncGeneratorFunction() constructor creates AsyncGeneratorFunction objects.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncGeneratorFunction() constructor" } ], "sec-asyncgeneratorfunction-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncGeneratorFunction.json", "name": "AsyncGeneratorFunction", "slug": "JavaScript/Reference/Global_Objects/AsyncGeneratorFunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncGeneratorFunction", "summary": "The AsyncGeneratorFunction object provides methods for async generator functions. In JavaScript, every async generator function is actually an AsyncGeneratorFunction object.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncGeneratorFunction" } ], "sec-asynciteratorprototype-asynciterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncIterator.json", "name": "@@asyncIterator", "slug": "JavaScript/Reference/Global_Objects/AsyncIterator/@@asyncIterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncIterator/@@asyncIterator", "summary": "The [@@asyncIterator]() method of AsyncIterator instances implements the async iterable protocol and allows built-in async iterators to be consumed by most syntaxes expecting async iterables, such as for await...of loops. It returns the value of this, which is the async iterator object itself.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "57" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncIterator.prototype[@@asyncIterator]()" } ], "sec-asynciteratorprototype": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/AsyncIterator.json", "name": "AsyncIterator", "slug": "JavaScript/Reference/Global_Objects/AsyncIterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/AsyncIterator", "summary": "An AsyncIterator object is an object that conforms to the async iterator protocol by providing a next() method that returns a promise fulfilling to an iterator result object. The AsyncIterator.prototype object is a hidden global object that all built-in async iterators inherit from. It provides an @@asyncIterator method that returns the async iterator object itself, making the async iterator also async iterable.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "57" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "AsyncIterator" } ], "sec-atomics.add": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "add", "slug": "JavaScript/Reference/Global_Objects/Atomics/add", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/add", "summary": "The Atomics.add() static method adds a given value at a given position in the array and returns the old value at that position. This atomic operation guarantees that no other write happens until the modified value is written back.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.add()" } ], "sec-atomics.and": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "and", "slug": "JavaScript/Reference/Global_Objects/Atomics/and", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/and", "summary": "The Atomics.and() static method computes a bitwise AND with a given value at a given position in the array, and returns the old value at that position. This atomic operation guarantees that no other write happens until the modified value is written back.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.and()" } ], "sec-atomics.compareexchange": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "compareExchange", "slug": "JavaScript/Reference/Global_Objects/Atomics/compareExchange", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/compareExchange", "summary": "The Atomics.compareExchange() static method exchanges a given replacement value at a given position in the array, if a given expected value equals the old value. It returns the old value at that position whether it was equal to the expected value or not. This atomic operation guarantees that no other write happens until the modified value is written back.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.compareExchange()" } ], "sec-atomics.exchange": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "exchange", "slug": "JavaScript/Reference/Global_Objects/Atomics/exchange", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/exchange", "summary": "The Atomics.exchange() static method stores a given value at a given position in the array and returns the old value at that position. This atomic operation guarantees that no other write happens between the read of the old value and the write of the new value.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.exchange()" } ], "sec-atomics.islockfree": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "isLockFree", "slug": "JavaScript/Reference/Global_Objects/Atomics/isLockFree", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/isLockFree", "summary": "The Atomics.isLockFree() static method is used to determine whether the Atomics methods use locks or atomic hardware operations when applied to typed arrays with the given element byte size. It returns false if the given size is not one of the BYTES_PER_ELEMENT property of integer TypedArray types.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.isLockFree()" } ], "sec-atomics.load": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "load", "slug": "JavaScript/Reference/Global_Objects/Atomics/load", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/load", "summary": "The Atomics.load() static method returns a value at a given position in the array.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.load()" } ], "sec-atomics.notify": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "notify", "slug": "JavaScript/Reference/Global_Objects/Atomics/notify", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/notify", "summary": "The Atomics.notify() static method notifies up some agents that are sleeping in the wait queue.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.notify()" } ], "sec-atomics.or": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "or", "slug": "JavaScript/Reference/Global_Objects/Atomics/or", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/or", "summary": "The Atomics.or() static method computes a bitwise OR with a given value at a given position in the array, and returns the old value at that position. This atomic operation guarantees that no other write happens until the modified value is written back.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.or()" } ], "sec-atomics.store": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "store", "slug": "JavaScript/Reference/Global_Objects/Atomics/store", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/store", "summary": "The Atomics.store() static method stores a given value at the given position in the array and returns that value.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.store()" } ], "sec-atomics.sub": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "sub", "slug": "JavaScript/Reference/Global_Objects/Atomics/sub", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/sub", "summary": "The Atomics.sub() static method subtracts a given value at a given position in the array and returns the old value at that position. This atomic operation guarantees that no other write happens until the modified value is written back.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.sub()" } ], "sec-atomics.wait": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "wait", "slug": "JavaScript/Reference/Global_Objects/Atomics/wait", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/wait", "summary": "The Atomics.wait() static method verifies that a shared memory location still contains a given value and if so sleeps, awaiting a wake-up notification or times out. It returns a string which is either \"ok\", \"not-equal\", or \"timed-out\".", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.wait()" } ], "sec-atomics.waitasync": [ { "engines": [ "blink", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "waitAsync", "slug": "JavaScript/Reference/Global_Objects/Atomics/waitAsync", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/waitAsync", "summary": "The Atomics.waitAsync() static method waits asynchronously on a shared memory location and returns a Promise.", "support": { "chrome": { "version_added": "87" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.4" }, "edge": "mirror", "firefox": { "version_added": false }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.0.0" }, "oculus": "mirror", "opera": { "version_added": "75" }, "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "87" } }, "title": "Atomics.waitAsync()" } ], "sec-atomics.xor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "xor", "slug": "JavaScript/Reference/Global_Objects/Atomics/xor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/xor", "summary": "The Atomics.xor() static method computes a bitwise XOR with a given value at a given position in the array, and returns the old value at that position. This atomic operation guarantees that no other write happens until the modified value is written back.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics.xor()" } ], "sec-atomics-object": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Atomics.json", "name": "Atomics", "slug": "JavaScript/Reference/Global_Objects/Atomics", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics", "summary": "The Atomics namespace object contains static methods for carrying out atomic operations. They are used with SharedArrayBuffer and ArrayBuffer objects.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2", "notes": "Before Safari 16.4, Atomics is gated behind COOP/COEP. For more detail, read Making your website \"cross-origin isolated\" using COOP and COEP." }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Atomics" } ], "sec-bigint-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt.json", "name": "BigInt", "slug": "JavaScript/Reference/Global_Objects/BigInt/BigInt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt/BigInt", "summary": "The BigInt() function returns primitive values of type BigInt.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigInt() constructor" } ], "sec-bigint.asintn": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt.json", "name": "asIntN", "slug": "JavaScript/Reference/Global_Objects/BigInt/asIntN", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt/asIntN", "summary": "The BigInt.asIntN() static method truncates a BigInt value to the given number of least significant bits and returns that value as a signed integer.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigInt.asIntN()" } ], "sec-bigint.asuintn": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt.json", "name": "asUintN", "slug": "JavaScript/Reference/Global_Objects/BigInt/asUintN", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt/asUintN", "summary": "The BigInt.asUintN() static method truncates a BigInt value to the given number of least significant bits and returns that value as an unsigned integer.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigInt.asUintN()" } ], "sec-bigint.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/BigInt/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt/toString", "summary": "The toString() method returns a string representing the specified BigInt value. The trailing \"n\" is not part of the string.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigInt.prototype.toString()" } ], "sec-bigint.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/BigInt/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt/valueOf", "summary": "The valueOf() method returns the wrapped primitive value of a BigInt object.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigInt.prototype.valueOf()" } ], "sec-bigint-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt.json", "name": "BigInt", "slug": "JavaScript/Reference/Global_Objects/BigInt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt", "summary": "BigInt values represent numeric values which are too large to be represented by the number primitive.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "bigint", "title": "BigInt" }, "title": "BigInt" } ], "sec-typedarray-constructors": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt64Array.json", "name": "BigInt64Array", "slug": "JavaScript/Reference/Global_Objects/BigInt64Array/BigInt64Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt64Array/BigInt64Array", "summary": "The BigInt64Array() constructor creates BigInt64Array objects. The contents are initialized to 0n.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigInt64Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigUint64Array.json", "name": "BigUint64Array", "slug": "JavaScript/Reference/Global_Objects/BigUint64Array/BigUint64Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigUint64Array/BigUint64Array", "summary": "The BigUint64Array() constructor creates BigUint64Array objects. The contents are initialized to 0n.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "BigUint64Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Float32Array.json", "name": "Float32Array", "slug": "JavaScript/Reference/Global_Objects/Float32Array/Float32Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array/Float32Array", "summary": "The Float32Array() constructor creates Float32Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Float32Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Float64Array.json", "name": "Float64Array", "slug": "JavaScript/Reference/Global_Objects/Float64Array/Float64Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array/Float64Array", "summary": "The Float64Array() constructor creates Float64Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Float64Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Int16Array.json", "name": "Int16Array", "slug": "JavaScript/Reference/Global_Objects/Int16Array/Int16Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int16Array/Int16Array", "summary": "The Int16Array() constructor creates Int16Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Int16Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Int32Array.json", "name": "Int32Array", "slug": "JavaScript/Reference/Global_Objects/Int32Array/Int32Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array/Int32Array", "summary": "The Int32Array() constructor creates Int32Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Int32Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Int8Array.json", "name": "Int8Array", "slug": "JavaScript/Reference/Global_Objects/Int8Array/Int8Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array/Int8Array", "summary": "The Int8Array() constructor creates Int8Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Int8Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint16Array.json", "name": "Uint16Array", "slug": "JavaScript/Reference/Global_Objects/Uint16Array/Uint16Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array/Uint16Array", "summary": "The Uint16Array() constructor creates Uint16Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint16Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint32Array.json", "name": "Uint32Array", "slug": "JavaScript/Reference/Global_Objects/Uint32Array/Uint32Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array/Uint32Array", "summary": "The Uint32Array() constructor creates Uint32Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint32Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint8Array.json", "name": "Uint8Array", "slug": "JavaScript/Reference/Global_Objects/Uint8Array/Uint8Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array/Uint8Array", "summary": "The Uint8Array() constructor creates Uint8Array objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint8Array() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint8ClampedArray.json", "name": "Uint8ClampedArray", "slug": "JavaScript/Reference/Global_Objects/Uint8ClampedArray/Uint8ClampedArray", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray/Uint8ClampedArray", "summary": "The Uint8ClampedArray() constructor creates Uint8ClampedArray objects. The contents are initialized to 0.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint8ClampedArray() constructor" } ], "sec-typedarray-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigInt64Array.json", "name": "BigInt64Array", "slug": "JavaScript/Reference/Global_Objects/BigInt64Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigInt64Array", "summary": "The BigInt64Array typed array represents an array of 64-bit signed integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0n. Once established, you can reference elements in the array using the object's methods, or by using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "typedarrays", "title": "Typed Arrays" }, "title": "BigInt64Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/BigUint64Array.json", "name": "BigUint64Array", "slug": "JavaScript/Reference/Global_Objects/BigUint64Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/BigUint64Array", "summary": "The BigUint64Array typed array represents an array of 64-bit unsigned integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0n. Once established, you can reference elements in the array using the object's methods, or by using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "typedarrays", "title": "Typed Arrays" }, "title": "BigUint64Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "TypedArray", "slug": "JavaScript/Reference/Global_Objects/TypedArray", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray", "summary": "A TypedArray object describes an array-like view of an underlying binary data buffer. There is no global property named TypedArray, nor is there a directly visible TypedArray constructor. Instead, there are a number of different global properties, whose values are typed array constructors for specific element types, listed below. On the following pages you will find common properties and methods that can be used with any typed array containing elements of any type.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "typedarrays", "title": "Typed Arrays" }, "title": "TypedArray" } ], "sec-boolean-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Boolean.json", "name": "Boolean", "slug": "JavaScript/Reference/Global_Objects/Boolean/Boolean", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean/Boolean", "summary": "The Boolean() constructor creates Boolean objects. When called as a function, it returns primitive values of type Boolean.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Boolean() constructor" } ], "sec-boolean.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Boolean.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Boolean/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean/toString", "summary": "The toString() method returns a string representing the specified boolean value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Boolean.prototype.toString()" } ], "sec-boolean.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Boolean.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/Boolean/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean/valueOf", "summary": "The valueOf() method returns the primitive value of a Boolean object.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Boolean.prototype.valueOf()" } ], "sec-boolean-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Boolean.json", "name": "Boolean", "slug": "JavaScript/Reference/Global_Objects/Boolean", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean", "summary": "The Boolean object represents a truth value: true or false.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Boolean" } ], "sec-dataview-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "DataView", "slug": "JavaScript/Reference/Global_Objects/DataView/DataView", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/DataView", "summary": "The DataView() constructor creates DataView objects.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView() constructor" } ], "sec-get-dataview.prototype.buffer": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "buffer", "slug": "JavaScript/Reference/Global_Objects/DataView/buffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/buffer", "summary": "The buffer accessor property of DataView instances returns the ArrayBuffer or SharedArrayBuffer referenced by this view at construction time.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.buffer" } ], "sec-get-dataview.prototype.bytelength": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "byteLength", "slug": "JavaScript/Reference/Global_Objects/DataView/byteLength", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/byteLength", "summary": "The byteLength accessor property of DataView instances returns the length (in bytes) of this view.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.byteLength" } ], "sec-get-dataview.prototype.byteoffset": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "byteOffset", "slug": "JavaScript/Reference/Global_Objects/DataView/byteOffset", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/byteOffset", "summary": "The byteOffset accessor property of DataView instances returns the offset (in bytes) of this view from the start of its ArrayBuffer or SharedArrayBuffer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.byteOffset" } ], "sec-dataview.prototype.getbigint64": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getBigInt64", "slug": "JavaScript/Reference/Global_Objects/DataView/getBigInt64", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigInt64", "summary": "The getBigInt64() method of DataView instances reads 8 bytes starting at the specified byte offset of this DataView and interprets them as a 64-bit signed integer.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getBigInt64()" } ], "sec-dataview.prototype.getbiguint64": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getBigUint64", "slug": "JavaScript/Reference/Global_Objects/DataView/getBigUint64", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getBigUint64", "summary": "The getBigUint64() method of DataView instances reads 8 bytes starting at the specified byte offset of this DataView and interprets them as a 64-bit unsigned integer.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getBigUint64()" } ], "sec-dataview.prototype.getfloat32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getFloat32", "slug": "JavaScript/Reference/Global_Objects/DataView/getFloat32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat32", "summary": "The getFloat32() method of DataView instances reads 4 bytes starting at the specified byte offset of this DataView and interprets them as a 32-bit float.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getFloat32()" } ], "sec-dataview.prototype.getfloat64": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getFloat64", "slug": "JavaScript/Reference/Global_Objects/DataView/getFloat64", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getFloat64", "summary": "The getFloat64() method of DataView instances reads 8 bytes starting at the specified byte offset of this DataView and interprets them as a 64-bit float.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getFloat64()" } ], "sec-dataview.prototype.getint16": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getInt16", "slug": "JavaScript/Reference/Global_Objects/DataView/getInt16", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt16", "summary": "The getInt16() method of DataView instances reads 2 bytes starting at the specified byte offset of this DataView and interprets them as a 16-bit signed integer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getInt16()" } ], "sec-dataview.prototype.getint32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getInt32", "slug": "JavaScript/Reference/Global_Objects/DataView/getInt32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt32", "summary": "The getInt32() method of DataView instances reads 4 bytes starting at the specified byte offset of this DataView and interprets them as a 32-bit signed integer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getInt32()" } ], "sec-dataview.prototype.getint8": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getInt8", "slug": "JavaScript/Reference/Global_Objects/DataView/getInt8", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getInt8", "summary": "The getInt8() method of DataView instances reads 1 byte at the specified byte offset of this DataView and interprets it as an 8-bit signed integer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getInt8()" } ], "sec-dataview.prototype.getuint16": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getUint16", "slug": "JavaScript/Reference/Global_Objects/DataView/getUint16", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint16", "summary": "The getUint16() method of DataView instances reads 2 bytes starting at the specified byte offset of this DataView and interprets them as a 16-bit unsigned integer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getUint16()" } ], "sec-dataview.prototype.getuint32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getUint32", "slug": "JavaScript/Reference/Global_Objects/DataView/getUint32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint32", "summary": "The getUint32() method of DataView instances reads 4 bytes starting at the specified byte offset of this DataView and interprets them as a 32-bit unsigned integer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getUint32()" } ], "sec-dataview.prototype.getuint8": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "getUint8", "slug": "JavaScript/Reference/Global_Objects/DataView/getUint8", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/getUint8", "summary": "The getUint8() method of DataView instances reads 1 byte at the specified byte offset of this DataView and interprets it as an 8-bit unsigned integer.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.getUint8()" } ], "sec-dataview.prototype.setbigint64": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setBigInt64", "slug": "JavaScript/Reference/Global_Objects/DataView/setBigInt64", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setBigInt64", "summary": "The setBigInt64() method of DataView instances takes a BigInt and stores it as a 64-bit signed integer in the 8 bytes starting at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setBigInt64()" } ], "sec-dataview.prototype.setbiguint64": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setBigUint64", "slug": "JavaScript/Reference/Global_Objects/DataView/setBigUint64", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setBigUint64", "summary": "The setBigUint64() method of DataView instances takes a BigInt and stores it as a 64-bit unsigned integer in the 8 bytes starting at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "67" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "68" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setBigUint64()" } ], "sec-dataview.prototype.setfloat32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setFloat32", "slug": "JavaScript/Reference/Global_Objects/DataView/setFloat32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat32", "summary": "The setFloat32() method of DataView instances takes a number and stores it as a 32-bit float in the 4 bytes starting at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setFloat32()" } ], "sec-dataview.prototype.setfloat64": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setFloat64", "slug": "JavaScript/Reference/Global_Objects/DataView/setFloat64", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setFloat64", "summary": "The setFloat64() method of DataView instances takes a number and stores it as a 64-bit float in the 8 bytes starting at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setFloat64()" } ], "sec-dataview.prototype.setint16": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setInt16", "slug": "JavaScript/Reference/Global_Objects/DataView/setInt16", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt16", "summary": "The setInt16() method of DataView instances takes a number and stores it as a 16-bit signed integer in the 2 bytes at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setInt16()" } ], "sec-dataview.prototype.setint32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setInt32", "slug": "JavaScript/Reference/Global_Objects/DataView/setInt32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt32", "summary": "The setInt32() method of DataView instances takes a number and stores it as a 32-bit signed integer in the 4 bytes at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setInt32()" } ], "sec-dataview.prototype.setint8": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setInt8", "slug": "JavaScript/Reference/Global_Objects/DataView/setInt8", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setInt8", "summary": "The setInt8() method of DataView instances takes a number and stores it as an 8-bit signed integer in the byte at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setInt8()" } ], "sec-dataview.prototype.setuint16": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setUint16", "slug": "JavaScript/Reference/Global_Objects/DataView/setUint16", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint16", "summary": "The setUint16() method of DataView instances takes a number and stores it as a 16-bit unsigned integer in the 2 bytes at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setUint16()" } ], "sec-dataview.prototype.setuint32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setUint32", "slug": "JavaScript/Reference/Global_Objects/DataView/setUint32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint32", "summary": "The setUint32() method of DataView instances takes a number and stores it as a 32-bit unsigned integer in the 4 bytes at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setUint32()" } ], "sec-dataview.prototype.setuint8": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "setUint8", "slug": "JavaScript/Reference/Global_Objects/DataView/setUint8", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView/setUint8", "summary": "The setUint8() method of DataView instances takes a number and stores it as an 8-bit unsigned integer in the byte at the specified byte offset of this DataView.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView.prototype.setUint8()" } ], "sec-dataview-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/DataView.json", "name": "DataView", "slug": "JavaScript/Reference/Global_Objects/DataView", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView", "summary": "The DataView view provides a low-level interface for reading and writing multiple number types in a binary ArrayBuffer, without having to care about the platform's endianness.", "support": { "chrome": { "version_added": "9" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "DataView" } ], "sec-date-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "Date", "slug": "JavaScript/Reference/Global_Objects/Date/Date", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/Date", "summary": "The Date() constructor creates Date objects. When called as a function, it returns a string representing the current time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date() constructor" } ], "sec-date.utc": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "UTC", "slug": "JavaScript/Reference/Global_Objects/Date/UTC", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/UTC", "summary": "The Date.UTC() static method accepts parameters representing the date and time components similar to the Date constructor, but treats them as UTC. It returns the number of milliseconds since January 1, 1970, 00:00:00 UTC.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.UTC()" } ], "sec-date.prototype.getdate": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getDate", "slug": "JavaScript/Reference/Global_Objects/Date/getDate", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getDate", "summary": "The getDate() method of Date instances returns the day of the month for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getDate()" } ], "sec-date.prototype.getday": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getDay", "slug": "JavaScript/Reference/Global_Objects/Date/getDay", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getDay", "summary": "The getDay() method of Date instances returns the day of the week for this date according to local time, where 0 represents Sunday. For the day of the month, see Date.prototype.getDate().", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getDay()" } ], "sec-date.prototype.getfullyear": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getFullYear", "slug": "JavaScript/Reference/Global_Objects/Date/getFullYear", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getFullYear", "summary": "The getFullYear() method of Date instances returns the year for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getFullYear()" } ], "sec-date.prototype.gethours": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getHours", "slug": "JavaScript/Reference/Global_Objects/Date/getHours", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getHours", "summary": "The getHours() method of Date instances returns the hours for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getHours()" } ], "sec-date.prototype.getmilliseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getMilliseconds", "slug": "JavaScript/Reference/Global_Objects/Date/getMilliseconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getMilliseconds", "summary": "The getMilliseconds() method of Date instances returns the milliseconds for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getMilliseconds()" } ], "sec-date.prototype.getminutes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getMinutes", "slug": "JavaScript/Reference/Global_Objects/Date/getMinutes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getMinutes", "summary": "The getMinutes() method of Date instances returns the minutes for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getMinutes()" } ], "sec-date.prototype.getmonth": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getMonth", "slug": "JavaScript/Reference/Global_Objects/Date/getMonth", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getMonth", "summary": "The getMonth() method of Date instances returns the month for this date according to local time, as a zero-based value (where zero indicates the first month of the year).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getMonth()" } ], "sec-date.prototype.getseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getSeconds", "slug": "JavaScript/Reference/Global_Objects/Date/getSeconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getSeconds", "summary": "The getSeconds() method of Date instances returns the seconds for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getSeconds()" } ], "sec-date.prototype.gettime": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getTime", "slug": "JavaScript/Reference/Global_Objects/Date/getTime", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTime", "summary": "The getTime() method of Date instances returns the number of milliseconds for this date since the epoch, which is defined as the midnight at the beginning of January 1, 1970, UTC.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getTime()" } ], "sec-date.prototype.gettimezoneoffset": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getTimezoneOffset", "slug": "JavaScript/Reference/Global_Objects/Date/getTimezoneOffset", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getTimezoneOffset", "summary": "The getTimezoneOffset() method of Date instances returns the difference, in minutes, between this date as evaluated in the UTC time zone, and the same date as evaluated in the local time zone.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getTimezoneOffset()" } ], "sec-date.prototype.getutcdate": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCDate", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCDate", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCDate", "summary": "The getUTCDate() method of Date instances returns the day of the month for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCDate()" } ], "sec-date.prototype.getutcday": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCDay", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCDay", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCDay", "summary": "The getUTCDay() method of Date instances returns the day of the week for this date according to universal time, where 0 represents Sunday.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCDay()" } ], "sec-date.prototype.getutcfullyear": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCFullYear", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCFullYear", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCFullYear", "summary": "The getUTCFullYear() method of Date instances returns the year for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCFullYear()" } ], "sec-date.prototype.getutchours": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCHours", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCHours", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCHours", "summary": "The getUTCHours() method of Date instances returns the hours for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCHours()" } ], "sec-date.prototype.getutcmilliseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCMilliseconds", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCMilliseconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCMilliseconds", "summary": "The getUTCMilliseconds() method of Date instances returns the milliseconds for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCMilliseconds()" } ], "sec-date.prototype.getutcminutes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCMinutes", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCMinutes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCMinutes", "summary": "The getUTCMinutes() method of Date instances returns the minutes for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCMinutes()" } ], "sec-date.prototype.getutcmonth": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCMonth", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCMonth", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCMonth", "summary": "The getUTCMonth() method of Date instances returns the month for this date according to universal time, as a zero-based value (where zero indicates the first month of the year).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCMonth()" } ], "sec-date.prototype.getutcseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "getUTCSeconds", "slug": "JavaScript/Reference/Global_Objects/Date/getUTCSeconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCSeconds", "summary": "The getUTCSeconds() method of Date instances returns the seconds in the specified date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.getUTCSeconds()" } ], "sec-date.now": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "now", "slug": "JavaScript/Reference/Global_Objects/Date/now", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/now", "summary": "The Date.now() static method returns the number of milliseconds elapsed since the epoch, which is defined as the midnight at the beginning of January 1, 1970, UTC.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": "mirror", "safari": { "version_added": "4" }, "safari_ios": { "version_added": "4" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.now()" } ], "sec-date.parse": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "parse", "slug": "JavaScript/Reference/Global_Objects/Date/parse", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/parse", "summary": "The Date.parse() static method parses a string representation of a date, and returns the date's timestamp.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.parse()" } ], "sec-date.prototype.setdate": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setDate", "slug": "JavaScript/Reference/Global_Objects/Date/setDate", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setDate", "summary": "The setDate() method of Date instances changes the day of the month for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setDate()" } ], "sec-date.prototype.setfullyear": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setFullYear", "slug": "JavaScript/Reference/Global_Objects/Date/setFullYear", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setFullYear", "summary": "The setFullYear() method of Date instances changes the year, month, and/or day of month for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setFullYear()" } ], "sec-date.prototype.sethours": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setHours", "slug": "JavaScript/Reference/Global_Objects/Date/setHours", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setHours", "summary": "The setHours() method of Date instances changes the hours, minutes, seconds, and/or milliseconds for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setHours()" } ], "sec-date.prototype.setmilliseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setMilliseconds", "slug": "JavaScript/Reference/Global_Objects/Date/setMilliseconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setMilliseconds", "summary": "The setMilliseconds() method of Date instances changes the milliseconds for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setMilliseconds()" } ], "sec-date.prototype.setminutes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setMinutes", "slug": "JavaScript/Reference/Global_Objects/Date/setMinutes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setMinutes", "summary": "The setMinutes() method of Date instances changes the minutes for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setMinutes()" } ], "sec-date.prototype.setmonth": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setMonth", "slug": "JavaScript/Reference/Global_Objects/Date/setMonth", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setMonth", "summary": "The setMonth() method of Date instances changes the month and/or day of the month for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setMonth()" } ], "sec-date.prototype.setseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setSeconds", "slug": "JavaScript/Reference/Global_Objects/Date/setSeconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setSeconds", "summary": "The setSeconds() method of Date instances changes the seconds and/or milliseconds for this date according to local time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setSeconds()" } ], "sec-date.prototype.settime": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setTime", "slug": "JavaScript/Reference/Global_Objects/Date/setTime", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setTime", "summary": "The setTime() method of Date instances changes the timestamp for this date, which is the number of milliseconds since the epoch, defined as the midnight at the beginning of January 1, 1970, UTC.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setTime()" } ], "sec-date.prototype.setutcdate": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCDate", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCDate", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCDate", "summary": "The setUTCDate() method of Date instances changes the day of the month for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCDate()" } ], "sec-date.prototype.setutcfullyear": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCFullYear", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCFullYear", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCFullYear", "summary": "The setUTCFullYear() method of Date instances changes the year for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCFullYear()" } ], "sec-date.prototype.setutchours": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCHours", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCHours", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCHours", "summary": "The setUTCHours() method of Date instances changes the hours, minutes, seconds, and/or milliseconds for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCHours()" } ], "sec-date.prototype.setutcmilliseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCMilliseconds", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCMilliseconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCMilliseconds", "summary": "The setUTCMilliseconds() method of Date instances changes the milliseconds for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCMilliseconds()" } ], "sec-date.prototype.setutcminutes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCMinutes", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCMinutes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCMinutes", "summary": "The setUTCMinutes() method of Date instances changes the minutes for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCMinutes()" } ], "sec-date.prototype.setutcmonth": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCMonth", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCMonth", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCMonth", "summary": "The setUTCMonth() method of Date instances changes the month and/or day of the month for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCMonth()" } ], "sec-date.prototype.setutcseconds": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "setUTCSeconds", "slug": "JavaScript/Reference/Global_Objects/Date/setUTCSeconds", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/setUTCSeconds", "summary": "The setUTCSeconds() method of Date instances changes the seconds and/or milliseconds for this date according to universal time.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.setUTCSeconds()" } ], "sec-date.prototype.todatestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toDateString", "slug": "JavaScript/Reference/Global_Objects/Date/toDateString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toDateString", "summary": "The toDateString() method of Date instances returns a string representing the date portion of this date interpreted in the local timezone.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toDateString()" } ], "sec-date.prototype.toisostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toISOString", "slug": "JavaScript/Reference/Global_Objects/Date/toISOString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString", "summary": "The toISOString() method of Date instances returns a string representing this date in the date time string format, a simplified format based on ISO 8601, which is always 24 or 27 characters long (YYYY-MM-DDTHH:mm:ss.sssZ or ±YYYYYY-MM-DDTHH:mm:ss.sssZ, respectively). The timezone is always UTC, as denoted by the suffix Z.", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toISOString()" } ], "sec-date.prototype.tojson": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toJSON", "slug": "JavaScript/Reference/Global_Objects/Date/toJSON", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toJSON", "summary": "The toJSON() method of Date instances returns a string representing this date in the same ISO format as toISOString().", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toJSON()" } ], "sec-date.prototype.tolocaledatestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toLocaleDateString", "slug": "JavaScript/Reference/Global_Objects/Date/toLocaleDateString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleDateString", "summary": "The toLocaleDateString() method returns a string with a language-sensitive representation of the date portion of the specified date in the user agent's timezone. In implementations with Intl.DateTimeFormat API support, this method simply calls Intl.DateTimeFormat.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toLocaleDateString()" } ], "sec-date.prototype.tolocalestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toLocaleString", "slug": "JavaScript/Reference/Global_Objects/Date/toLocaleString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleString", "summary": "The toLocaleString() method returns a string with a language-sensitive representation of this date. In implementations with Intl.DateTimeFormat API support, this method simply calls Intl.DateTimeFormat.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toLocaleString()" } ], "sec-date.prototype.tolocaletimestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toLocaleTimeString", "slug": "JavaScript/Reference/Global_Objects/Date/toLocaleTimeString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleTimeString", "summary": "The toLocaleTimeString() method returns a string with a language-sensitive representation of the time portion of the date. In implementations with Intl.DateTimeFormat API support, this method simply calls Intl.DateTimeFormat.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toLocaleTimeString()" } ], "sec-date.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Date/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toString", "summary": "The toString() method of Date instances returns a string representing this date interpreted in the local timezone.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toString()" } ], "sec-date.prototype.totimestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toTimeString", "slug": "JavaScript/Reference/Global_Objects/Date/toTimeString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toTimeString", "summary": "The toTimeString() method of Date instances returns a string representing the time portion of this date interpreted in the local timezone.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toTimeString()" } ], "sec-date.prototype.toutcstring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "toUTCString", "slug": "JavaScript/Reference/Global_Objects/Date/toUTCString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toUTCString", "summary": "The toUTCString() method of Date instances returns a string representing this date in the RFC 7231 format, with negative years allowed. The timezone is always UTC. toGMTString() is an alias of this method.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.toUTCString()" } ], "sec-date.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/Date/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/valueOf", "summary": "The valueOf() method of Date instances returns the number of milliseconds for this date since the epoch, which is defined as the midnight at the beginning of January 1, 1970, UTC.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype.valueOf()" } ], "sec-date.prototype-@@toprimitive": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "@@toPrimitive", "slug": "JavaScript/Reference/Global_Objects/Date/@@toPrimitive", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/@@toPrimitive", "summary": "The [@@toPrimitive]() method of Date instances returns a primitive value representing this date. It may either be a string or a number, depending on the hint given.", "support": { "chrome": { "version_added": "47" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "44" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date.prototype[@@toPrimitive]()" } ], "sec-date-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Date.json", "name": "Date", "slug": "JavaScript/Reference/Global_Objects/Date", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date", "summary": "JavaScript Date objects represent a single moment in time in a platform-independent format. Date objects encapsulate an integral number that represents milliseconds since the midnight at the beginning of January 1, 1970, UTC (the epoch).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3", "notes": "The ISO8601 Date Format is not supported in Internet Explorer 8 or earlier." }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Date" } ], "sec-error-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Error.json", "name": "Error", "slug": "JavaScript/Reference/Global_Objects/Error/Error", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/Error", "summary": "The Error() constructor creates Error objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "6" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Error() constructor" } ], "sec-error.prototype.message": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Error.json", "name": "message", "slug": "JavaScript/Reference/Global_Objects/Error/message", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/message", "summary": "The message data property of an Error instance is a human-readable description of the error.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "6" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Error: message" } ], "sec-error.prototype.name": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Error.json", "name": "name", "slug": "JavaScript/Reference/Global_Objects/Error/name", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/name", "summary": "The name data property of Error.prototype is shared by all Error instances. It represents the name for the type of error. For Error.prototype.name, the initial value is \"Error\". Subclasses like TypeError and SyntaxError provide their own name properties.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "6" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Error.prototype.name" } ], "sec-error.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Error.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Error/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/toString", "summary": "The toString() method returns a string representing the specified Error object.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "6" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Error.prototype.toString()" } ], "sec-error-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Error.json", "name": "Error", "slug": "JavaScript/Reference/Global_Objects/Error", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error", "summary": "Error objects are thrown when runtime errors occur. The Error object can also be used as a base object for user-defined exceptions. See below for standard built-in error types.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "6" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Error" } ], "sec-nativeerror-constructors": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/EvalError.json", "name": "EvalError", "slug": "JavaScript/Reference/Global_Objects/EvalError/EvalError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/EvalError/EvalError", "summary": "The EvalError() constructor creates EvalError objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "EvalError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RangeError.json", "name": "RangeError", "slug": "JavaScript/Reference/Global_Objects/RangeError/RangeError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RangeError/RangeError", "summary": "The RangeError() constructor creates RangeError objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RangeError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ReferenceError.json", "name": "ReferenceError", "slug": "JavaScript/Reference/Global_Objects/ReferenceError/ReferenceError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError/ReferenceError", "summary": "The ReferenceError() constructor creates ReferenceError objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "ReferenceError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SyntaxError.json", "name": "SyntaxError", "slug": "JavaScript/Reference/Global_Objects/SyntaxError/SyntaxError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError/SyntaxError", "summary": "The SyntaxError() constructor creates SyntaxError objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "SyntaxError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypeError.json", "name": "TypeError", "slug": "JavaScript/Reference/Global_Objects/TypeError/TypeError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError/TypeError", "summary": "The TypeError() constructor creates TypeError objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypeError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/URIError.json", "name": "URIError", "slug": "JavaScript/Reference/Global_Objects/URIError/URIError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/URIError/URIError", "summary": "The URIError() constructor creates URIError objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "URIError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WebAssembly/CompileError.json", "name": "CompileError", "slug": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/CompileError/CompileError", "mdn_url": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/CompileError/CompileError", "summary": "The WebAssembly.CompileError() constructor creates a new WebAssembly CompileError object, which indicates an error during WebAssembly decoding or validation.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WebAssembly.CompileError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WebAssembly/LinkError.json", "name": "LinkError", "slug": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/LinkError/LinkError", "mdn_url": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/LinkError/LinkError", "summary": "The WebAssembly.LinkError() constructor creates a new WebAssembly LinkError object, which indicates an error during module instantiation (besides traps from the start function).", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WebAssembly.LinkError() constructor" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WebAssembly/RuntimeError.json", "name": "RuntimeError", "slug": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/RuntimeError/RuntimeError", "mdn_url": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/RuntimeError/RuntimeError", "summary": "The WebAssembly.RuntimeError() constructor creates a new WebAssembly RuntimeError object — the type that is thrown whenever WebAssembly specifies a trap.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WebAssembly.RuntimeError() constructor" } ], "sec-native-error-types-used-in-this-standard-evalerror": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/EvalError.json", "name": "EvalError", "slug": "JavaScript/Reference/Global_Objects/EvalError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/EvalError", "summary": "The EvalError object indicates an error regarding the global eval() function. This exception is not thrown by JavaScript anymore, however the EvalError object remains for compatibility.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "EvalError" } ], "sec-finalization-registry-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/FinalizationRegistry.json", "name": "FinalizationRegistry", "slug": "JavaScript/Reference/Global_Objects/FinalizationRegistry/FinalizationRegistry", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry/FinalizationRegistry", "summary": "The FinalizationRegistry() constructor creates FinalizationRegistry objects.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "FinalizationRegistry() constructor" } ], "sec-finalization-registry.prototype.register": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/FinalizationRegistry.json", "name": "register", "slug": "JavaScript/Reference/Global_Objects/FinalizationRegistry/register", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry/register", "summary": "The register() method registers an value with a FinalizationRegistry instance so that if the value is garbage-collected, the registry's callback may get called.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "FinalizationRegistry.prototype.register()" } ], "sec-finalization-registry.prototype.unregister": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/FinalizationRegistry.json", "name": "unregister", "slug": "JavaScript/Reference/Global_Objects/FinalizationRegistry/unregister", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry/unregister", "summary": "The unregister() method unregisters a target value from a FinalizationRegistry instance.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "FinalizationRegistry.prototype.unregister()" } ], "sec-finalization-registry-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/FinalizationRegistry.json", "name": "FinalizationRegistry", "slug": "JavaScript/Reference/Global_Objects/FinalizationRegistry", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/FinalizationRegistry", "summary": "A FinalizationRegistry object lets you request a callback when a value is garbage-collected.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "FinalizationRegistry" } ], "table-49": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Float32Array.json", "name": "Float32Array", "slug": "JavaScript/Reference/Global_Objects/Float32Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float32Array", "summary": "The Float32Array typed array represents an array of 32-bit floating point numbers (corresponding to the C float data type) in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Float32Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Float64Array.json", "name": "Float64Array", "slug": "JavaScript/Reference/Global_Objects/Float64Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Float64Array", "summary": "The Float64Array typed array represents an array of 64-bit floating point numbers (corresponding to the C double data type) in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Float64Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Int16Array.json", "name": "Int16Array", "slug": "JavaScript/Reference/Global_Objects/Int16Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int16Array", "summary": "The Int16Array typed array represents an array of twos-complement 16-bit signed integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Int16Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Int32Array.json", "name": "Int32Array", "slug": "JavaScript/Reference/Global_Objects/Int32Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int32Array", "summary": "The Int32Array typed array represents an array of twos-complement 32-bit signed integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Int32Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Int8Array.json", "name": "Int8Array", "slug": "JavaScript/Reference/Global_Objects/Int8Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Int8Array", "summary": "The Int8Array typed array represents an array of twos-complement 8-bit signed integers. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Int8Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint16Array.json", "name": "Uint16Array", "slug": "JavaScript/Reference/Global_Objects/Uint16Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint16Array", "summary": "The Uint16Array typed array represents an array of 16-bit unsigned integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint16Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint32Array.json", "name": "Uint32Array", "slug": "JavaScript/Reference/Global_Objects/Uint32Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint32Array", "summary": "The Uint32Array typed array represents an array of 32-bit unsigned integers in the platform byte order. If control over byte order is needed, use DataView instead. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint32Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint8Array.json", "name": "Uint8Array", "slug": "JavaScript/Reference/Global_Objects/Uint8Array", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8Array", "summary": "The Uint8Array typed array represents an array of 8-bit unsigned integers. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint8Array" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Uint8ClampedArray.json", "name": "Uint8ClampedArray", "slug": "JavaScript/Reference/Global_Objects/Uint8ClampedArray", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Uint8ClampedArray", "summary": "The Uint8ClampedArray typed array represents an array of 8-bit unsigned integers clamped to 0-255; if you specified a value that is out of the range of [0,255], 0 or 255 will be set instead; if you specify a non-integer, the nearest integer will be set. The contents are initialized to 0. Once established, you can reference elements in the array using the object's methods, or using standard array index syntax (that is, using bracket notation).", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Uint8ClampedArray" } ], "sec-function-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "Function", "slug": "JavaScript/Reference/Global_Objects/Function/Function", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/Function", "summary": "The Function() constructor creates Function objects. Calling the constructor directly can create functions dynamically, but suffers from security and similar (but far less significant) performance issues as eval(). However, unlike eval (which may have access to the local scope), the Function constructor creates functions which execute in the global scope only.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function() constructor" } ], "sec-function.prototype.apply": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "apply", "slug": "JavaScript/Reference/Global_Objects/Function/apply", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/apply", "summary": "The apply() method calls the specified function with a given this value, and arguments provided as an array (or an array-like object).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function.prototype.apply()" } ], "sec-function.prototype.bind": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "bind", "slug": "JavaScript/Reference/Global_Objects/Function/bind", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind", "summary": "The bind() method creates a new function that, when called, has its this keyword set to the provided value, with a given sequence of arguments preceding any provided when the new function is called.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "6" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Function.prototype.bind()" } ], "sec-function.prototype.call": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "call", "slug": "JavaScript/Reference/Global_Objects/Function/call", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/call", "summary": "The call() method calls the function with a given this value and arguments provided individually.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0", "notes": "When calling this method, thisArg does not default to the global object." }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function.prototype.call()" } ], "sec-function-instances-length": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "length", "slug": "JavaScript/Reference/Global_Objects/Function/length", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/length", "summary": "The length data property of a Function instance indicates the number of parameters expected by the function.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function: length" } ], "sec-function-instances-name": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "name", "slug": "JavaScript/Reference/Global_Objects/Function/name", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/name", "summary": "The name data property of a Function instance indicates the function's name as specified when it was created, or it may be either anonymous or '' (an empty string) for functions created anonymously.", "support": { "chrome": { "version_added": "15" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "6" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function: name" } ], "sec-function.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Function/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/toString", "summary": "The toString() method returns a string representing the source code of the specified Function.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function.prototype.toString()" } ], "sec-function.prototype-@@hasinstance": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "@@hasInstance", "slug": "JavaScript/Reference/Global_Objects/Function/@@hasInstance", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/@@hasInstance", "summary": "The [@@hasInstance]() method of Function instances specifies the default procedure for determining if a constructor function recognizes an object as one of the constructor's instances. It is called by the instanceof operator.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "50" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Function.prototype[@@hasInstance]()" } ], "sec-function-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Function.json", "name": "Function", "slug": "JavaScript/Reference/Global_Objects/Function", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function", "summary": "The Function object provides methods for functions. In JavaScript, every function is actually a Function object.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "Function" } ], "sec-generator.prototype.next": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Generator.json", "name": "next", "slug": "JavaScript/Reference/Global_Objects/Generator/next", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Generator/next", "summary": "The next() method returns an object with two properties done and value. You can also provide a parameter to the next method to send a value to the generator.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Generator.prototype.next()" } ], "sec-generator.prototype.return": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Generator.json", "name": "return", "slug": "JavaScript/Reference/Global_Objects/Generator/return", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Generator/return", "summary": "The return() method of Generator instances acts as if a return statement is inserted in the generator's body at the current suspended position, which finishes the generator and allows the generator to perform any cleanup tasks when combined with a try...finally block.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Generator.prototype.return()" } ], "sec-generator.prototype.throw": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Generator.json", "name": "throw", "slug": "JavaScript/Reference/Global_Objects/Generator/throw", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Generator/throw", "summary": "The throw() method of Generator instances acts as if a throw statement is inserted in the generator's body at the current suspended position, which informs the generator of an error condition and allows it to handle the error, or perform cleanup and close itself.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Generator.prototype.throw()" } ], "sec-generator-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Generator.json", "name": "Generator", "slug": "JavaScript/Reference/Global_Objects/Generator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Generator", "summary": "The Generator object is returned by a generator function and it conforms to both the iterable protocol and the iterator protocol.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Generator" } ], "sec-generatorfunction-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/GeneratorFunction.json", "name": "GeneratorFunction", "slug": "JavaScript/Reference/Global_Objects/GeneratorFunction/GeneratorFunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/GeneratorFunction/GeneratorFunction", "summary": "The GeneratorFunction() constructor creates GeneratorFunction objects.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "GeneratorFunction() constructor" } ], "sec-generatorfunction-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/GeneratorFunction.json", "name": "GeneratorFunction", "slug": "JavaScript/Reference/Global_Objects/GeneratorFunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/GeneratorFunction", "summary": "The GeneratorFunction object provides methods for generator functions. In JavaScript, every generator function is actually a GeneratorFunction object.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "GeneratorFunction" } ], "sec-%iteratorprototype%-@@iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Iterator.json", "name": "@@iterator", "slug": "JavaScript/Reference/Global_Objects/Iterator/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Iterator/@@iterator", "summary": "The [@@iterator]() method of Iterator instances implements the iterable protocol and allows built-in iterators to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns the value of this, which is the iterator object itself.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "36" }, { "alternative_name": "@@iterator", "version_added": "27", "version_removed": "36", "notes": "A placeholder property named @@iterator is used." }, { "alternative_name": "iterator", "version_added": "17", "version_removed": "27", "notes": "A placeholder property named iterator is used." } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Iterator.prototype[@@iterator]()" } ], "sec-%iteratorprototype%-object": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Iterator.json", "name": "Iterator", "slug": "JavaScript/Reference/Global_Objects/Iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Iterator", "summary": "An Iterator object is an object that conforms to the iterator protocol by providing a next() method that returns an iterator result object. The Iterator.prototype object is a hidden global object that all built-in iterators inherit from. It provides a @@iterator method that returns the iterator object itself, making the iterator also iterable.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "17" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Iterator" } ], "sec-json.parse": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/JSON.json", "name": "parse", "slug": "JavaScript/Reference/Global_Objects/JSON/parse", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/parse", "summary": "The JSON.parse() static method parses a JSON string, constructing the JavaScript value or object described by the string. An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "4" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "JSON.parse()" } ], "sec-json.stringify": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/JSON.json", "name": "stringify", "slug": "JavaScript/Reference/Global_Objects/JSON/stringify", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON/stringify", "summary": "The JSON.stringify() static method converts a JavaScript value to a JSON string, optionally replacing values if a replacer function is specified or optionally including only the specified properties if a replacer array is specified.", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "4" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "JSON.stringify()" } ], "sec-json-object": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/JSON.json", "name": "JSON", "slug": "JavaScript/Reference/Global_Objects/JSON", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/JSON", "summary": "The JSON namespace object contains static methods for parsing values from and converting values to JavaScript Object Notation (JSON).", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "4" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "json", "title": "JSON parsing" }, "title": "JSON" } ], "sec-map-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "Map", "slug": "JavaScript/Reference/Global_Objects/Map/Map", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/Map", "summary": "The Map() constructor creates Map objects.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map() constructor" } ], "sec-map.prototype.clear": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "clear", "slug": "JavaScript/Reference/Global_Objects/Map/clear", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/clear", "summary": "The clear() method removes all elements from a Map object.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "19" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.clear()" } ], "sec-map.prototype.delete": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "delete", "slug": "JavaScript/Reference/Global_Objects/Map/delete", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/delete", "summary": "The delete() method removes the specified element from a Map object by key.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.delete()" } ], "sec-map.prototype.entries": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "entries", "slug": "JavaScript/Reference/Global_Objects/Map/entries", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/entries", "summary": "The entries() method returns a new map iterator object that contains the [key, value] pairs for each element in the Map object in insertion order.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "20" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.entries()" } ], "sec-map.prototype.foreach": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "forEach", "slug": "JavaScript/Reference/Global_Objects/Map/forEach", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/forEach", "summary": "The forEach() method executes a provided function once per each key/value pair in the Map object, in insertion order.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.forEach()" } ], "sec-map.prototype.get": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "get", "slug": "JavaScript/Reference/Global_Objects/Map/get", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/get", "summary": "The get() method returns a specified element from a Map object. If the value that is associated to the provided key is an object, then you will get a reference to that object and any change made to that object will effectively modify it inside the Map object.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.get()" } ], "sec-map.prototype.has": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "has", "slug": "JavaScript/Reference/Global_Objects/Map/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/has", "summary": "The has() method returns a boolean indicating whether an element with the specified key exists or not.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.has()" } ], "sec-map.prototype.keys": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "keys", "slug": "JavaScript/Reference/Global_Objects/Map/keys", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/keys", "summary": "The keys() method returns a new map iterator object that contains the keys for each element in the Map object in insertion order.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "20" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.keys()" } ], "sec-map.prototype.set": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "set", "slug": "JavaScript/Reference/Global_Objects/Map/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/set", "summary": "The set() method adds or updates an entry in a Map object with a specified key and a value.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11", "partial_implementation": true, "notes": "Returns 'undefined' instead of the 'Map' object." }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.set()" } ], "sec-get-map.prototype.size": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "size", "slug": "JavaScript/Reference/Global_Objects/Map/size", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/size", "summary": "The size accessor property of Map instances returns the number of elements in this map.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "19", "notes": "From Firefox 13 to Firefox 18, the size property was implemented as a Map.prototype.size() method, this has been changed to a property in later versions conform to the ECMAScript 2015 specification." }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.size" } ], "sec-map.prototype.values": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "values", "slug": "JavaScript/Reference/Global_Objects/Map/values", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/values", "summary": "The values() method returns a new map iterator object that contains the values for each element in the Map object in insertion order.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "20" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype.values()" } ], "sec-map.prototype-@@iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "@@iterator", "slug": "JavaScript/Reference/Global_Objects/Map/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/@@iterator", "summary": "The [@@iterator]() method of Map instances implements the iterable protocol and allows maps to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns a map iterator object that yields the key-value pairs of the map in insertion order.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "36" }, { "alternative_name": "@@iterator", "version_added": "27", "version_removed": "36", "notes": "A placeholder property named @@iterator is used." }, { "alternative_name": "iterator", "version_added": "17", "version_removed": "27", "notes": "A placeholder property named iterator is used." } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map.prototype[@@iterator]()" } ], "sec-get-map-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/Map/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/@@species", "summary": "The Map[@@species] static accessor property is an unused accessor property specifying how to copy Map objects.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "41" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map[@@species]" } ], "sec-map.prototype-@@tostringtag": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "@@toStringTag", "slug": "JavaScript/Reference/Global_Objects/Map/@@toStringTag", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/@@toStringTag", "summary": "The Map object holds key-value pairs and remembers the original insertion order of the keys. Any value (both objects and primitive values) may be used as either a key or a value.", "support": { "chrome": { "version_added": "44" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "51" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map" } ], "sec-map-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Map.json", "name": "Map", "slug": "JavaScript/Reference/Global_Objects/Map", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map", "summary": "The Map object holds key-value pairs and remembers the original insertion order of the keys. Any value (both objects and primitive values) may be used as either a key or a value.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Map" } ], "sec-math.e": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "E", "slug": "JavaScript/Reference/Global_Objects/Math/E", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/E", "summary": "The Math.E static data property represents Euler's number, the base of natural logarithms, e, which is approximately 2.718.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.E" } ], "sec-math.ln10": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "LN10", "slug": "JavaScript/Reference/Global_Objects/Math/LN10", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/LN10", "summary": "The Math.LN10 static data property represents the natural logarithm of 10, approximately 2.302.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.LN10" } ], "sec-math.ln2": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "LN2", "slug": "JavaScript/Reference/Global_Objects/Math/LN2", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/LN2", "summary": "The Math.LN2 static data property represents the natural logarithm of 2, approximately 0.693:", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.LN2" } ], "sec-math.log10e": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "LOG10E", "slug": "JavaScript/Reference/Global_Objects/Math/LOG10E", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/LOG10E", "summary": "The Math.LOG10E static data property represents the base 10 logarithm of e, approximately 0.434.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.LOG10E" } ], "sec-math.log2e": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "LOG2E", "slug": "JavaScript/Reference/Global_Objects/Math/LOG2E", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/LOG2E", "summary": "The Math.LOG2E static data property represents the base 2 logarithm of e, approximately 1.442.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.LOG2E" } ], "sec-math.pi": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "PI", "slug": "JavaScript/Reference/Global_Objects/Math/PI", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/PI", "summary": "The Math.PI static data property represents the ratio of the circumference of a circle to its diameter, approximately 3.14159.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.PI" } ], "sec-math.sqrt1_2": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "SQRT1_2", "slug": "JavaScript/Reference/Global_Objects/Math/SQRT1_2", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/SQRT1_2", "summary": "The Math.SQRT1_2 static data property represents the square root of 1/2, which is approximately 0.707.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.SQRT1_2" } ], "sec-math.sqrt2": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "SQRT2", "slug": "JavaScript/Reference/Global_Objects/Math/SQRT2", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/SQRT2", "summary": "The Math.SQRT2 static data property represents the square root of 2, approximately 1.414.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.SQRT2" } ], "sec-math.abs": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "abs", "slug": "JavaScript/Reference/Global_Objects/Math/abs", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/abs", "summary": "The Math.abs() static method returns the absolute value of a number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.abs()" } ], "sec-math.acos": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "acos", "slug": "JavaScript/Reference/Global_Objects/Math/acos", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/acos", "summary": "The Math.acos() static method returns the inverse cosine (in radians) of a number. That is,", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.acos()" } ], "sec-math.acosh": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "acosh", "slug": "JavaScript/Reference/Global_Objects/Math/acosh", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/acosh", "summary": "The Math.acosh() static method returns the inverse hyperbolic cosine of a number. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.acosh()" } ], "sec-math.asin": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "asin", "slug": "JavaScript/Reference/Global_Objects/Math/asin", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/asin", "summary": "The Math.asin() static method returns the inverse sine (in radians) of a number. That is,", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.asin()" } ], "sec-math.asinh": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "asinh", "slug": "JavaScript/Reference/Global_Objects/Math/asinh", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/asinh", "summary": "The Math.asinh() static method returns the inverse hyperbolic sine of a number. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.asinh()" } ], "sec-math.atan": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "atan", "slug": "JavaScript/Reference/Global_Objects/Math/atan", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/atan", "summary": "The Math.atan() static method returns the inverse tangent (in radians) of a number, that is", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.atan()" } ], "sec-math.atan2": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "atan2", "slug": "JavaScript/Reference/Global_Objects/Math/atan2", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/atan2", "summary": "The Math.atan2() static method returns the angle in the plane (in radians) between the positive x-axis and the ray from (0, 0) to the point (x, y), for Math.atan2(y, x).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.atan2()" } ], "sec-math.atanh": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "atanh", "slug": "JavaScript/Reference/Global_Objects/Math/atanh", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/atanh", "summary": "The Math.atanh() static method returns the inverse hyperbolic tangent of a number. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.atanh()" } ], "sec-math.cbrt": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "cbrt", "slug": "JavaScript/Reference/Global_Objects/Math/cbrt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/cbrt", "summary": "The Math.cbrt() static method returns the cube root of a number. That is", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.cbrt()" } ], "sec-math.ceil": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "ceil", "slug": "JavaScript/Reference/Global_Objects/Math/ceil", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/ceil", "summary": "The Math.ceil() static method always rounds up and returns the smallest integer greater than or equal to a given number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.ceil()" } ], "sec-math.clz32": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "clz32", "slug": "JavaScript/Reference/Global_Objects/Math/clz32", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/clz32", "summary": "The Math.clz32() static method returns the number of leading zero bits in the 32-bit binary representation of a number.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.clz32()" } ], "sec-math.cos": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "cos", "slug": "JavaScript/Reference/Global_Objects/Math/cos", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/cos", "summary": "The Math.cos() static method returns the cosine of a number in radians.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.cos()" } ], "sec-math.cosh": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "cosh", "slug": "JavaScript/Reference/Global_Objects/Math/cosh", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/cosh", "summary": "The Math.cosh() static method returns the hyperbolic cosine of a number. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.cosh()" } ], "sec-math.exp": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "exp", "slug": "JavaScript/Reference/Global_Objects/Math/exp", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/exp", "summary": "The Math.exp() static method returns e raised to the power of a number. That is", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.exp()" } ], "sec-math.expm1": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "expm1", "slug": "JavaScript/Reference/Global_Objects/Math/expm1", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/expm1", "summary": "The Math.expm1() static method returns e raised to the power of a number, subtracted by 1. That is", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.expm1()" } ], "sec-math.floor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "floor", "slug": "JavaScript/Reference/Global_Objects/Math/floor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/floor", "summary": "The Math.floor() static method always rounds down and returns the largest integer less than or equal to a given number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.floor()" } ], "sec-math.fround": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "fround", "slug": "JavaScript/Reference/Global_Objects/Math/fround", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/fround", "summary": "The Math.fround() static method returns the nearest 32-bit single precision float representation of a number.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.fround()" } ], "sec-math.hypot": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "hypot", "slug": "JavaScript/Reference/Global_Objects/Math/hypot", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/hypot", "summary": "The Math.hypot() static method returns the square root of the sum of squares of its arguments. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "27" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.hypot()" } ], "sec-math.imul": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "imul", "slug": "JavaScript/Reference/Global_Objects/Math/imul", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/imul", "summary": "The Math.imul() static method returns the result of the C-like 32-bit multiplication of the two parameters.", "support": { "chrome": { "version_added": "28" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "20" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": { "version_added": "16" }, "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.imul()" } ], "sec-math.log": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "log", "slug": "JavaScript/Reference/Global_Objects/Math/log", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log", "summary": "The Math.log() static method returns the natural logarithm (base e) of a number. That is", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.log()" } ], "sec-math.log10": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "log10", "slug": "JavaScript/Reference/Global_Objects/Math/log10", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log10", "summary": "The Math.log10() static method returns the base 10 logarithm of a number. That is", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.log10()" } ], "sec-math.log1p": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "log1p", "slug": "JavaScript/Reference/Global_Objects/Math/log1p", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log1p", "summary": "The Math.log1p() static method returns the natural logarithm (base e) of 1 + x, where x is the argument. That is:", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.log1p()" } ], "sec-math.log2": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "log2", "slug": "JavaScript/Reference/Global_Objects/Math/log2", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/log2", "summary": "The Math.log2() static method returns the base 2 logarithm of a number. That is", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.log2()" } ], "sec-math.max": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "max", "slug": "JavaScript/Reference/Global_Objects/Math/max", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/max", "summary": "The Math.max() static method returns the largest of the numbers given as input parameters, or -Infinity if there are no parameters.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.max()" } ], "sec-math.min": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "min", "slug": "JavaScript/Reference/Global_Objects/Math/min", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/min", "summary": "The Math.min() static method returns the smallest of the numbers given as input parameters, or Infinity if there are no parameters.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.min()" } ], "sec-math.pow": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "pow", "slug": "JavaScript/Reference/Global_Objects/Math/pow", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/pow", "summary": "The Math.pow() static method returns the value of a base raised to a power. That is", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.pow()" } ], "sec-math.random": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "random", "slug": "JavaScript/Reference/Global_Objects/Math/random", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random", "summary": "The Math.random() static method returns a floating-point, pseudo-random number that's greater than or equal to 0 and less than 1, with approximately uniform distribution over that range — which you can then scale to your desired range. The implementation selects the initial seed to the random number generation algorithm; it cannot be chosen or reset by the user.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.random()" } ], "sec-math.round": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "round", "slug": "JavaScript/Reference/Global_Objects/Math/round", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/round", "summary": "The Math.round() static method returns the value of a number rounded to the nearest integer.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.round()" } ], "sec-math.sign": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "sign", "slug": "JavaScript/Reference/Global_Objects/Math/sign", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sign", "summary": "The Math.sign() static method returns 1 or -1, indicating the sign of the number passed as argument. If the input is 0 or -0, it will be returned as-is.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.sign()" } ], "sec-math.sin": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "sin", "slug": "JavaScript/Reference/Global_Objects/Math/sin", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sin", "summary": "The Math.sin() static method returns the sine of a number in radians.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.sin()" } ], "sec-math.sinh": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "sinh", "slug": "JavaScript/Reference/Global_Objects/Math/sinh", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sinh", "summary": "The Math.sinh() static method returns the hyperbolic sine of a number. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.sinh()" } ], "sec-math.sqrt": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "sqrt", "slug": "JavaScript/Reference/Global_Objects/Math/sqrt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/sqrt", "summary": "The Math.sqrt() static method returns the square root of a number. That is", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.sqrt()" } ], "sec-math.tan": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "tan", "slug": "JavaScript/Reference/Global_Objects/Math/tan", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/tan", "summary": "The Math.tan() static method returns the tangent of a number in radians.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.tan()" } ], "sec-math.tanh": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "tanh", "slug": "JavaScript/Reference/Global_Objects/Math/tanh", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/tanh", "summary": "The Math.tanh() static method returns the hyperbolic tangent of a number. That is,", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.tanh()" } ], "sec-math.trunc": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "trunc", "slug": "JavaScript/Reference/Global_Objects/Math/trunc", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/trunc", "summary": "The Math.trunc() static method returns the integer part of a number by removing any fractional digits.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math.trunc()" } ], "sec-math-object": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Math.json", "name": "Math", "slug": "JavaScript/Reference/Global_Objects/Math", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math", "summary": "The Math namespace object contains static properties and methods for mathematical constants and functions.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Math" } ], "sec-number.epsilon": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "EPSILON", "slug": "JavaScript/Reference/Global_Objects/Number/EPSILON", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/EPSILON", "summary": "The Number.EPSILON static data property represents the difference between 1 and the smallest floating point number greater than 1.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.EPSILON" } ], "sec-number.max_safe_integer": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "MAX_SAFE_INTEGER", "slug": "JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER", "summary": "The Number.MAX_SAFE_INTEGER static data property represents the maximum safe integer in JavaScript (253 – 1).", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.MAX_SAFE_INTEGER" } ], "sec-number.max_value": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "MAX_VALUE", "slug": "JavaScript/Reference/Global_Objects/Number/MAX_VALUE", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_VALUE", "summary": "The Number.MAX_VALUE static data property represents the maximum numeric value representable in JavaScript.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.MAX_VALUE" } ], "sec-number.min_safe_integer": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "MIN_SAFE_INTEGER", "slug": "JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER", "summary": "The Number.MIN_SAFE_INTEGER static data property represents the minimum safe integer in JavaScript, or -(253 - 1).", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.MIN_SAFE_INTEGER" } ], "sec-number.min_value": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "MIN_VALUE", "slug": "JavaScript/Reference/Global_Objects/Number/MIN_VALUE", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_VALUE", "summary": "The Number.MIN_VALUE static data property represents the smallest positive numeric value representable in JavaScript.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.MIN_VALUE" } ], "sec-number.nan": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "NaN", "slug": "JavaScript/Reference/Global_Objects/Number/NaN", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/NaN", "summary": "The Number.NaN static data property represents Not-A-Number, which is equivalent to NaN. For more information about the behaviors of NaN, see the description for the global property.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.NaN" } ], "sec-number.negative_infinity": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "NEGATIVE_INFINITY", "slug": "JavaScript/Reference/Global_Objects/Number/NEGATIVE_INFINITY", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/NEGATIVE_INFINITY", "summary": "The Number.NEGATIVE_INFINITY static data property represents the negative Infinity value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.NEGATIVE_INFINITY" } ], "sec-number-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "Number", "slug": "JavaScript/Reference/Global_Objects/Number/Number", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/Number", "summary": "The Number() constructor creates Number objects. When called as a function, it returns primitive values of type Number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number() constructor" } ], "sec-number.positive_infinity": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "POSITIVE_INFINITY", "slug": "JavaScript/Reference/Global_Objects/Number/POSITIVE_INFINITY", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/POSITIVE_INFINITY", "summary": "The Number.POSITIVE_INFINITY static data property represents the positive Infinity value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.POSITIVE_INFINITY" } ], "sec-number.isfinite": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "isFinite", "slug": "JavaScript/Reference/Global_Objects/Number/isFinite", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite", "summary": "The Number.isFinite() static method determines whether the passed value is a finite number — that is, it checks that a given value is a number, and the number is neither positive Infinity, negative Infinity, nor NaN.", "support": { "chrome": { "version_added": "19" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.isFinite()" } ], "sec-number.isinteger": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "isInteger", "slug": "JavaScript/Reference/Global_Objects/Number/isInteger", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger", "summary": "The Number.isInteger() static method determines whether the passed value is an integer.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.isInteger()" } ], "sec-number.isnan": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "isNaN", "slug": "JavaScript/Reference/Global_Objects/Number/isNaN", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN", "summary": "The Number.isNaN() static method determines whether the passed value is the number value NaN, and returns false if the input is not of the Number type. It is a more robust version of the original, global isNaN() function.", "support": { "chrome": { "version_added": "25" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.isNaN()" } ], "sec-number.issafeinteger": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "isSafeInteger", "slug": "JavaScript/Reference/Global_Objects/Number/isSafeInteger", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger", "summary": "The Number.isSafeInteger() static method determines whether the provided value is a number that is a safe integer.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "32" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.isSafeInteger()" } ], "sec-number.parsefloat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "parseFloat", "slug": "JavaScript/Reference/Global_Objects/Number/parseFloat", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/parseFloat", "summary": "The Number.parseFloat() static method parses an argument and returns a floating point number. If a number cannot be parsed from the argument, it returns NaN.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.parseFloat()" } ], "sec-number.parseint": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "parseInt", "slug": "JavaScript/Reference/Global_Objects/Number/parseInt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/parseInt", "summary": "The Number.parseInt() static method parses a string argument and returns an integer of the specified radix or base.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.parseInt()" } ], "sec-number.prototype.toexponential": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "toExponential", "slug": "JavaScript/Reference/Global_Objects/Number/toExponential", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toExponential", "summary": "The toExponential() method returns a string representing the Number object in exponential notation.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.prototype.toExponential()" } ], "sec-number.prototype.tofixed": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "toFixed", "slug": "JavaScript/Reference/Global_Objects/Number/toFixed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed", "summary": "The toFixed() method formats a number using fixed-point notation.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.prototype.toFixed()" } ], "sec-number.prototype.tolocalestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "toLocaleString", "slug": "JavaScript/Reference/Global_Objects/Number/toLocaleString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toLocaleString", "summary": "The toLocaleString() method returns a string with a language-sensitive representation of this number. In implementations with Intl.NumberFormat API support, this method simply calls Intl.NumberFormat.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5", "notes": "In Internet Explorer 11, numbers are rounded to 15 decimal digits. For example, (1000000000000005).toLocaleString('en-US') returns \"1,000,000,000,000,010\"." }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.prototype.toLocaleString()" } ], "sec-number.prototype.toprecision": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "toPrecision", "slug": "JavaScript/Reference/Global_Objects/Number/toPrecision", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toPrecision", "summary": "The toPrecision() method returns a string representing the Number object to the specified precision.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.prototype.toPrecision()" } ], "sec-number.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Number/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toString", "summary": "The toString() method returns a string representing the specified number value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.prototype.toString()" } ], "sec-number.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/Number/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/valueOf", "summary": "The valueOf() method returns the wrapped primitive value of a Number object.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Number.prototype.valueOf()" } ], "sec-number-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Number.json", "name": "Number", "slug": "JavaScript/Reference/Global_Objects/Number", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number", "summary": "Number values represent floating-point numbers like 37 or -9.25.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "es6-number", "title": "ES6 Number" }, "title": "Number" } ], "sec-object-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "Object", "slug": "JavaScript/Reference/Global_Objects/Object/Object", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/Object", "summary": "The Object() constructor turns the input into an object. Its behavior depends on the input's type.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object() constructor" } ], "sec-object.assign": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "assign", "slug": "JavaScript/Reference/Global_Objects/Object/assign", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/assign", "summary": "The Object.assign() static method copies all enumerable own properties from one or more source objects to a target object. It returns the modified target object.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.assign()" } ], "sec-object.prototype.constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "constructor", "slug": "JavaScript/Reference/Global_Objects/Object/constructor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor", "summary": "The constructor data property of an Object instance returns a reference to the constructor function that created the instance object. Note that the value of this property is a reference to the function itself, not a string containing the function's name.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.constructor" } ], "sec-object.create": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "create", "slug": "JavaScript/Reference/Global_Objects/Object/create", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create", "summary": "The Object.create() static method creates a new object, using an existing object as the prototype of the newly created object.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.create()" } ], "sec-object.defineproperties": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "defineProperties", "slug": "JavaScript/Reference/Global_Objects/Object/defineProperties", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperties", "summary": "The Object.defineProperties() static method defines new or modifies existing properties directly on an object, returning the object.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.defineProperties()" } ], "sec-object.defineproperty": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "defineProperty", "slug": "JavaScript/Reference/Global_Objects/Object/defineProperty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/defineProperty", "summary": "The Object.defineProperty() static method defines a new property directly on an object, or modifies an existing property on an object, and returns the object.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": [ { "version_added": "9" }, { "version_added": "8", "partial_implementation": true, "notes": "In Internet Explorer 8, this was only supported on DOM objects and with some non-standard behaviors. This was later fixed in Internet Explorer 9." } ], "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1", "notes": "Also supported in Safari 5, but not on DOM objects." }, "safari_ios": { "version_added": "6", "notes": "Also supported in Safari for iOS 4.2, but not on DOM objects." }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.defineProperty()" } ], "sec-object.entries": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "entries", "slug": "JavaScript/Reference/Global_Objects/Object/entries", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries", "summary": "The Object.entries() static method returns an array of a given object's own enumerable string-keyed property key-value pairs.", "support": { "chrome": { "version_added": "54" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "47" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.0.0" }, { "version_added": "6.5.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "object-entries", "title": "Object.entries" }, "title": "Object.entries()" } ], "sec-object.freeze": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "freeze", "slug": "JavaScript/Reference/Global_Objects/Object/freeze", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/freeze", "summary": "The Object.freeze() static method freezes an object. Freezing an object prevents extensions and makes existing properties non-writable and non-configurable. A frozen object can no longer be changed: new properties cannot be added, existing properties cannot be removed, their enumerability, configurability, writability, or value cannot be changed, and the object's prototype cannot be re-assigned. freeze() returns the same object that was passed in.", "support": { "chrome": { "version_added": "6" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.freeze()" } ], "sec-object.fromentries": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "fromEntries", "slug": "JavaScript/Reference/Global_Objects/Object/fromEntries", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/fromEntries", "summary": "The Object.fromEntries() static method transforms a list of key-value pairs into an object.", "support": { "chrome": { "version_added": "73" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "63" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.fromEntries()" } ], "sec-object.getownpropertydescriptor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "getOwnPropertyDescriptor", "slug": "JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptor", "summary": "The Object.getOwnPropertyDescriptor() static method returns an object describing the configuration of a specific property on a given object (that is, one directly present on an object and not in the object's prototype chain). The object returned is mutable but mutating it has no effect on the original property's configuration.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": [ { "version_added": "9" }, { "version_added": "8", "partial_implementation": true, "notes": "In Internet Explorer 8, this was only supported on DOM objects and with some non-standard behaviors. This was later fixed in Internet Explorer 9." } ], "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.getOwnPropertyDescriptor()" } ], "sec-object.getownpropertydescriptors": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "getOwnPropertyDescriptors", "slug": "JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptors", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyDescriptors", "summary": "The Object.getOwnPropertyDescriptors() static method returns all own property descriptors of a given object.", "support": { "chrome": { "version_added": "54" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "50" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.0.0" }, { "version_added": "6.5.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.getOwnPropertyDescriptors()" } ], "sec-object.getownpropertynames": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "getOwnPropertyNames", "slug": "JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertyNames", "summary": "The Object.getOwnPropertyNames() static method returns an array of all properties (including non-enumerable properties except for those which use Symbol) found directly in a given object.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.getOwnPropertyNames()" } ], "sec-object.getownpropertysymbols": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "getOwnPropertySymbols", "slug": "JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getOwnPropertySymbols", "summary": "The Object.getOwnPropertySymbols() static method returns an array of all symbol properties found directly upon a given object.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.getOwnPropertySymbols()" } ], "sec-object.getprototypeof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "getPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Object/getPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getPrototypeOf", "summary": "The Object.getPrototypeOf() static method returns the prototype (i.e. the value of the internal [[Prototype]] property) of the specified object.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12.1" }, "opera_android": { "version_added": "12.1" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.getPrototypeOf()" } ], "sec-object.hasown": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "hasOwn", "slug": "JavaScript/Reference/Global_Objects/Object/hasOwn", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwn", "summary": "The Object.hasOwn() static method returns true if the specified object has the indicated property as its own property. If the property is inherited, or does not exist, the method returns false.", "support": { "chrome": { "version_added": "93" }, "chrome_android": "mirror", "deno": { "version_added": "1.13" }, "edge": "mirror", "firefox": { "version_added": "92" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.9.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "93" } }, "title": "Object.hasOwn()" } ], "sec-object.prototype.hasownproperty": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "hasOwnProperty", "slug": "JavaScript/Reference/Global_Objects/Object/hasOwnProperty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/hasOwnProperty", "summary": "The hasOwnProperty() method returns a boolean indicating whether the object has the specified property as its own property (as opposed to inheriting it).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.hasOwnProperty()" } ], "sec-object.is": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "is", "slug": "JavaScript/Reference/Global_Objects/Object/is", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is", "summary": "The Object.is() static method determines whether two values are the same value.", "support": { "chrome": { "version_added": "19" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "22" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.is()" } ], "sec-object.isextensible": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "isExtensible", "slug": "JavaScript/Reference/Global_Objects/Object/isExtensible", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isExtensible", "summary": "The Object.isExtensible() static method determines if an object is extensible (whether it can have new properties added to it).", "support": { "chrome": { "version_added": "6" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.isExtensible()" } ], "sec-object.isfrozen": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "isFrozen", "slug": "JavaScript/Reference/Global_Objects/Object/isFrozen", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isFrozen", "summary": "The Object.isFrozen() static method determines if an object is frozen.", "support": { "chrome": { "version_added": "6" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.isFrozen()" } ], "sec-object.prototype.isprototypeof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "isPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Object/isPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isPrototypeOf", "summary": "The isPrototypeOf() method checks if an object exists in another object's prototype chain.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.isPrototypeOf()" } ], "sec-object.issealed": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "isSealed", "slug": "JavaScript/Reference/Global_Objects/Object/isSealed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/isSealed", "summary": "The Object.isSealed() static method determines if an object is sealed.", "support": { "chrome": { "version_added": "6" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.isSealed()" } ], "sec-object.keys": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "keys", "slug": "JavaScript/Reference/Global_Objects/Object/keys", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/keys", "summary": "The Object.keys() static method returns an array of a given object's own enumerable string-keyed property names.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.keys()" } ], "sec-object.preventextensions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "preventExtensions", "slug": "JavaScript/Reference/Global_Objects/Object/preventExtensions", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/preventExtensions", "summary": "The Object.preventExtensions() static method prevents new properties from ever being added to an object (i.e. prevents future extensions to the object). It also prevents the object's prototype from being re-assigned.", "support": { "chrome": { "version_added": "6" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.preventExtensions()" } ], "sec-object.prototype.propertyisenumerable": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "propertyIsEnumerable", "slug": "JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/propertyIsEnumerable", "summary": "The propertyIsEnumerable() method returns a boolean indicating whether the specified property is the object's enumerable own property.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.propertyIsEnumerable()" } ], "sec-object.seal": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "seal", "slug": "JavaScript/Reference/Global_Objects/Object/seal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/seal", "summary": "The Object.seal() static method seals an object. Sealing an object prevents extensions and makes existing properties non-configurable. A sealed object has a fixed set of properties: new properties cannot be added, existing properties cannot be removed, their enumerability and configurability cannot be changed, and its prototype cannot be re-assigned. Values of existing properties can still be changed as long as they are writable. seal() returns the same object that was passed in.", "support": { "chrome": { "version_added": "6" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.seal()" } ], "sec-object.setprototypeof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "setPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Object/setPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/setPrototypeOf", "summary": "The Object.setPrototypeOf() static method sets the prototype (i.e., the internal [[Prototype]] property) of a specified object to another object or null.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.setPrototypeOf()" } ], "sec-object.prototype.tolocalestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "toLocaleString", "slug": "JavaScript/Reference/Global_Objects/Object/toLocaleString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toLocaleString", "summary": "The toLocaleString() method returns a string representing the object. This method is meant to be overridden by derived objects for locale-specific purposes.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.toLocaleString()" } ], "sec-object.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Object/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/toString", "summary": "The toString() method returns a string representing the object. This method is meant to be overridden by derived objects for custom type conversion logic.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.toString()" } ], "sec-object.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/Object/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/valueOf", "summary": "The valueOf() method of Object instances converts the this value to an object. This method is meant to be overridden by derived objects for custom type conversion logic.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object.prototype.valueOf()" } ], "sec-object.values": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "values", "slug": "JavaScript/Reference/Global_Objects/Object/values", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/values", "summary": "The Object.values() static method returns an array of a given object's own enumerable string-keyed property values.", "support": { "chrome": { "version_added": "54" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "47" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.0.0" }, { "version_added": "6.5.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "object-values", "title": "Object.values method" }, "title": "Object.values()" } ], "sec-object-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Object.json", "name": "Object", "slug": "JavaScript/Reference/Global_Objects/Object", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object", "summary": "The Object type represents one of JavaScript's data types. It is used to store various keyed collections and more complex entities. Objects can be created using the Object() constructor or the object initializer / literal syntax.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object" } ], "sec-promise-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "Promise", "slug": "JavaScript/Reference/Global_Objects/Promise/Promise", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/Promise", "summary": "The Promise() constructor creates Promise objects. It is primarily used to wrap callback-based APIs that do not already support promises.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29", "notes": "Constructor requires a new operator since version 37." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0", "notes": "Constructor requires a new operator since version 4." }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8", "notes": "Constructor requires a new operator since version 10." }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise() constructor" } ], "sec-promise.all": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "all", "slug": "JavaScript/Reference/Global_Objects/Promise/all", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/all", "summary": "The Promise.all() static method takes an iterable of promises as input and returns a single Promise. This returned promise fulfills when all of the input's promises fulfill (including when an empty iterable is passed), with an array of the fulfillment values. It rejects when any of the input's promises rejects, with this first rejection reason.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.all()" } ], "sec-promise.allsettled": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "allSettled", "slug": "JavaScript/Reference/Global_Objects/Promise/allSettled", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/allSettled", "summary": "The Promise.allSettled() static method takes an iterable of promises as input and returns a single Promise. This returned promise fulfills when all of the input's promises settle (including when an empty iterable is passed), with an array of objects that describe the outcome of each promise.", "support": { "chrome": { "version_added": "76" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "71" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.9.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.allSettled()" } ], "sec-promise.any": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "any", "slug": "JavaScript/Reference/Global_Objects/Promise/any", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/any", "summary": "The Promise.any() static method takes an iterable of promises as input and returns a single Promise. This returned promise fulfills when any of the input's promises fulfills, with this first fulfillment value. It rejects when all of the input's promises reject (including when an empty iterable is passed), with an AggregateError containing an array of rejection reasons.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "Promise.any()" } ], "sec-promise.prototype.catch": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "catch", "slug": "JavaScript/Reference/Global_Objects/Promise/catch", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/catch", "summary": "The catch() method of Promise instances schedules a function to be called when the promise is rejected. It immediately returns an equivalent Promise object, allowing you to chain calls to other promise methods. It is a shortcut for Promise.prototype.then(undefined, onRejected).", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.prototype.catch()" } ], "sec-promise.prototype.finally": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "finally", "slug": "JavaScript/Reference/Global_Objects/Promise/finally", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/finally", "summary": "The finally() method of Promise instances schedules a function to be called when the promise is settled (either fulfilled or rejected). It immediately returns an equivalent Promise object, allowing you to chain calls to other promise methods.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "18" }, "firefox": { "version_added": "58" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "promise-finally", "title": "Promise.prototype.finally" }, "title": "Promise.prototype.finally()" } ], "sec-promise.race": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "race", "slug": "JavaScript/Reference/Global_Objects/Promise/race", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/race", "summary": "The Promise.race() static method takes an iterable of promises as input and returns a single Promise. This returned promise settles with the eventual state of the first promise that settles.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.race()" } ], "sec-promise.reject": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "reject", "slug": "JavaScript/Reference/Global_Objects/Promise/reject", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/reject", "summary": "The Promise.reject() static method returns a Promise object that is rejected with a given reason.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.reject()" } ], "sec-promise.resolve": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "resolve", "slug": "JavaScript/Reference/Global_Objects/Promise/resolve", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/resolve", "summary": "The Promise.resolve() static method \"resolves\" a given value to a Promise. If the value is a promise, that promise is returned; if the value is a thenable, Promise.resolve() will call the then() method with two callbacks it prepared; otherwise the returned promise will be fulfilled with the value.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.resolve()" } ], "sec-promise.prototype.then": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "then", "slug": "JavaScript/Reference/Global_Objects/Promise/then", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/then", "summary": "The then() method of Promise instances takes up to two arguments: callback functions for the fulfilled and rejected cases of the Promise. It immediately returns an equivalent Promise object, allowing you to chain calls to other promise methods.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise.prototype.then()" } ], "sec-get-promise-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/Promise/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise/@@species", "summary": "The Promise[@@species] static accessor property returns the constructor used to construct return values from promise methods.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Promise[@@species]" } ], "sec-promise-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Promise.json", "name": "Promise", "slug": "JavaScript/Reference/Global_Objects/Promise", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise", "summary": "The Promise object represents the eventual completion (or failure) of an asynchronous operation and its resulting value.", "support": { "chrome": { "version_added": "32" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "promises", "title": "Promises" }, "title": "Promise" } ], "sec-proxy-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "Proxy", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy", "summary": "The Proxy() constructor creates Proxy objects.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Proxy() constructor" } ], "sec-proxy-object-internal-methods-and-internal-slots-call-thisargument-argumentslist": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "apply", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/apply", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/apply", "summary": "The handler.apply() method is a trap for the [[Call]] object internal method, which is used by operations such as function calls.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.apply()" } ], "sec-proxy-object-internal-methods-and-internal-slots-construct-argumentslist-newtarget": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "construct", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/construct", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/construct", "summary": "The handler.construct() method is a trap for the [[Construct]] object internal method, which is used by operations such as the new operator. In order for the new operation to be valid on the resulting Proxy object, the target used to initialize the proxy must itself be a valid constructor.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.construct()" } ], "sec-proxy-object-internal-methods-and-internal-slots-defineownproperty-p-desc": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "defineProperty", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/defineProperty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/defineProperty", "summary": "The handler.defineProperty() method is a trap for the [[DefineOwnProperty]] object internal method, which is used by operations such as Object.defineProperty().", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.defineProperty()" } ], "sec-proxy-object-internal-methods-and-internal-slots-delete-p": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "deleteProperty", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/deleteProperty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/deleteProperty", "summary": "The handler.deleteProperty() method is a trap for the [[Delete]] object internal method, which is used by operations such as the delete operator.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.deleteProperty()" } ], "sec-proxy-object-internal-methods-and-internal-slots-get-p-receiver": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "get", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/get", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/get", "summary": "The handler.get() method is a trap for the [[Get]] object internal method, which is used by operations such as property accessors.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.get()" } ], "sec-proxy-object-internal-methods-and-internal-slots-getownproperty-p": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "getOwnPropertyDescriptor", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/getOwnPropertyDescriptor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/getOwnPropertyDescriptor", "summary": "The handler.getOwnPropertyDescriptor() method is a trap for the [[GetOwnProperty]] object internal method, which is used by operations such as Object.getOwnPropertyDescriptor().", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.getOwnPropertyDescriptor()" } ], "sec-proxy-object-internal-methods-and-internal-slots-getprototypeof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "getPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/getPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/getPrototypeOf", "summary": "The handler.getPrototypeOf() method is a trap for the [[GetPrototypeOf]] object internal method, which is used by operations such as Object.getPrototypeOf().", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.getPrototypeOf()" } ], "sec-proxy-object-internal-methods-and-internal-slots-hasproperty-p": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "has", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/has", "summary": "The handler.has() method is a trap for the [[HasProperty]] object internal method, which is used by operations such as the in operator.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.has()" } ], "sec-proxy-object-internal-methods-and-internal-slots-isextensible": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "isExtensible", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/isExtensible", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/isExtensible", "summary": "The handler.isExtensible() method is a trap for the [[IsExtensible]] object internal method, which is used by operations such as Object.isExtensible().", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.isExtensible()" } ], "sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "ownKeys", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/ownKeys", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/ownKeys", "summary": "The handler.ownKeys() method is a trap for the [[OwnPropertyKeys]] object internal method, which is used by operations such as Object.keys(), Reflect.ownKeys(), etc.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18", "notes": "In Firefox 42, the implementation got updated to reflect the final ES2015 specification: The result is now checked if it is an array and if the array elements are either of type string or of type symbol. Enumerating duplicate own property names is not a failure anymore." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.ownKeys()" } ], "sec-proxy-object-internal-methods-and-internal-slots-preventextensions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "preventExtensions", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/preventExtensions", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/preventExtensions", "summary": "The handler.preventExtensions() method is a trap for the [[PreventExtensions]] object internal method, which is used by operations such as Object.preventExtensions().", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "22" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.preventExtensions()" } ], "sec-proxy-object-internal-methods-and-internal-slots-set-p-v-receiver": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "set", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/set", "summary": "The handler.set() method is a trap for the [[Set]] object internal method, which is used by operations such as using property accessors to set a property's value.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.set()" } ], "sec-proxy-object-internal-methods-and-internal-slots-setprototypeof-v": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "setPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Proxy/Proxy/setPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/Proxy/setPrototypeOf", "summary": "The handler.setPrototypeOf() method is a trap for the [[SetPrototypeOf]] object internal method, which is used by operations such as Object.setPrototypeOf().", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "handler.setPrototypeOf()" } ], "sec-proxy.revocable": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "revocable", "slug": "JavaScript/Reference/Global_Objects/Proxy/revocable", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy/revocable", "summary": "The Proxy.revocable() static method creates a revocable Proxy object.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Proxy.revocable()" } ], "sec-proxy-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Proxy.json", "name": "Proxy", "slug": "JavaScript/Reference/Global_Objects/Proxy", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy", "summary": "The Proxy object enables you to create a proxy for another object, which can intercept and redefine fundamental operations for that object.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "18" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "proxy", "title": "Proxy object" }, "title": "Proxy" } ], "sec-native-error-types-used-in-this-standard-rangeerror": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RangeError.json", "name": "RangeError", "slug": "JavaScript/Reference/Global_Objects/RangeError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RangeError", "summary": "The RangeError object indicates an error when a value is not in the set or range of allowed values.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RangeError" } ], "sec-native-error-types-used-in-this-standard-referenceerror": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/ReferenceError.json", "name": "ReferenceError", "slug": "JavaScript/Reference/Global_Objects/ReferenceError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ReferenceError", "summary": "The ReferenceError object represents an error when a variable that doesn't exist (or hasn't yet been initialized) in the current scope is referenced.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "ReferenceError" } ], "sec-reflect.apply": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "apply", "slug": "JavaScript/Reference/Global_Objects/Reflect/apply", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/apply", "summary": "The Reflect.apply() static method calls a target function with arguments as specified.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.apply()" } ], "sec-reflect.construct": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "construct", "slug": "JavaScript/Reference/Global_Objects/Reflect/construct", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/construct", "summary": "The Reflect.construct() static method is like the new operator, but as a function. It is equivalent to calling new target(...args). It gives also the added option to specify a different new.target value.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.construct()" } ], "sec-reflect.defineproperty": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "defineProperty", "slug": "JavaScript/Reference/Global_Objects/Reflect/defineProperty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/defineProperty", "summary": "The Reflect.defineProperty() static method is like Object.defineProperty() but returns a Boolean.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.defineProperty()" } ], "sec-reflect.deleteproperty": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "deleteProperty", "slug": "JavaScript/Reference/Global_Objects/Reflect/deleteProperty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/deleteProperty", "summary": "The Reflect.deleteProperty() static method is like the delete operator, but as a function. It deletes a property from an object.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.deleteProperty()" } ], "sec-reflect.get": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "get", "slug": "JavaScript/Reference/Global_Objects/Reflect/get", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/get", "summary": "The Reflect.get() static method is like the property accessor syntax, but as a function.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.get()" } ], "sec-reflect.getownpropertydescriptor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "getOwnPropertyDescriptor", "slug": "JavaScript/Reference/Global_Objects/Reflect/getOwnPropertyDescriptor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/getOwnPropertyDescriptor", "summary": "The Reflect.getOwnPropertyDescriptor() static method is like Object.getOwnPropertyDescriptor(). It returns a property descriptor of the given property if it exists on the object, undefined otherwise.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.getOwnPropertyDescriptor()" } ], "sec-reflect.getprototypeof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "getPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Reflect/getPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/getPrototypeOf", "summary": "The Reflect.getPrototypeOf() static method is like Object.getPrototypeOf(). It returns the prototype of the specified object.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.getPrototypeOf()" } ], "sec-reflect.has": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "has", "slug": "JavaScript/Reference/Global_Objects/Reflect/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/has", "summary": "The Reflect.has() static method is like the in operator, but as a function.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.has()" } ], "sec-reflect.isextensible": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "isExtensible", "slug": "JavaScript/Reference/Global_Objects/Reflect/isExtensible", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/isExtensible", "summary": "The Reflect.isExtensible() static method is like Object.isExtensible(). It determines if an object is extensible (whether it can have new properties added to it).", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.isExtensible()" } ], "sec-reflect.ownkeys": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "ownKeys", "slug": "JavaScript/Reference/Global_Objects/Reflect/ownKeys", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/ownKeys", "summary": "The Reflect.ownKeys() static method returns an array of the target object's own property keys.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.ownKeys()" } ], "sec-reflect.preventextensions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "preventExtensions", "slug": "JavaScript/Reference/Global_Objects/Reflect/preventExtensions", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/preventExtensions", "summary": "The Reflect.preventExtensions() static method is like Object.preventExtensions(). It prevents new properties from ever being added to an object (i.e., prevents future extensions to the object).", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.preventExtensions()" } ], "sec-reflect.set": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "set", "slug": "JavaScript/Reference/Global_Objects/Reflect/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/set", "summary": "The Reflect.set() static method is like the property accessor and assignment syntax, but as a function.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.set()" } ], "sec-reflect.setprototypeof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "setPrototypeOf", "slug": "JavaScript/Reference/Global_Objects/Reflect/setPrototypeOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect/setPrototypeOf", "summary": "The Reflect.setPrototypeOf() static method is like Object.setPrototypeOf() but returns a Boolean. It sets the prototype (i.e., the internal [[Prototype]] property) of a specified object.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect.setPrototypeOf()" } ], "sec-reflect-object": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Reflect.json", "name": "Reflect", "slug": "JavaScript/Reference/Global_Objects/Reflect", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Reflect", "summary": "The Reflect namespace object contains static methods for invoking interceptable JavaScript object internal methods. The methods are the same as those of proxy handlers.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "42" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Reflect" } ], "sec-regexp-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "RegExp", "slug": "JavaScript/Reference/Global_Objects/RegExp/RegExp", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/RegExp", "summary": "The RegExp() constructor creates RegExp objects.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp() constructor" } ], "sec-get-regexp.prototype.dotAll": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "dotAll", "slug": "JavaScript/Reference/Global_Objects/RegExp/dotAll", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/dotAll", "summary": "The dotAll accessor property of RegExp instances returns whether or not the s flag is used with this regular expression.", "support": { "chrome": { "version_added": "62" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "8.10.0" }, { "version_added": "8.3.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.dotAll" } ], "sec-regexp.prototype.exec": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "exec", "slug": "JavaScript/Reference/Global_Objects/RegExp/exec", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/exec", "summary": "The exec() method executes a search for a match in a specified string and returns a result array, or null.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.exec()" } ], "sec-get-regexp.prototype.flags": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "flags", "slug": "JavaScript/Reference/Global_Objects/RegExp/flags", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/flags", "summary": "The flags accessor property of RegExp instances returns the flags of this regular expression.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": { "version_added": "39" }, "opera_android": { "version_added": "41" }, "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.flags" } ], "sec-get-regexp.prototype.global": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "global", "slug": "JavaScript/Reference/Global_Objects/RegExp/global", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/global", "summary": "The global accessor property of RegExp instances returns whether or not the g flag is used with this regular expression.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.global" } ], "sec-get-regexp.prototype.hasIndices": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "hasIndices", "slug": "JavaScript/Reference/Global_Objects/RegExp/hasIndices", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/hasIndices", "summary": "The hasIndices accessor property of RegExp instances returns whether or not the d flag is used with this regular expression.", "support": { "chrome": { "version_added": "90" }, "chrome_android": "mirror", "deno": { "version_added": "1.8" }, "edge": "mirror", "firefox": { "version_added": "88" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "90" } }, "title": "RegExp.prototype.hasIndices" } ], "sec-get-regexp.prototype.ignorecase": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "ignoreCase", "slug": "JavaScript/Reference/Global_Objects/RegExp/ignoreCase", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/ignoreCase", "summary": "The ignoreCase accessor property of RegExp instances returns whether or not the i flag is used with this regular expression.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.ignoreCase" } ], "sec-properties-of-regexp-instances": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "lastIndex", "slug": "JavaScript/Reference/Global_Objects/RegExp/lastIndex", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/lastIndex", "summary": "The lastIndex data property of a RegExp instance specifies the index at which to start the next match.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp: lastIndex" } ], "sec-get-regexp.prototype.multiline": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "multiline", "slug": "JavaScript/Reference/Global_Objects/RegExp/multiline", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/multiline", "summary": "The multiline accessor property of RegExp instances returns whether or not the m flag is used with this regular expression.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.multiline" } ], "sec-get-regexp.prototype.source": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "source", "slug": "JavaScript/Reference/Global_Objects/RegExp/source", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/source", "summary": "The source accessor property of RegExp instances returns a string containing the source text of this regular expression, without the two forward slashes on both sides or any flags.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.source" } ], "sec-get-regexp.prototype.sticky": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "sticky", "slug": "JavaScript/Reference/Global_Objects/RegExp/sticky", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/sticky", "summary": "The sticky accessor property of RegExp instances returns whether or not the y flag is used with this regular expression.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "3" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.sticky" } ], "sec-regexp.prototype.test": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "test", "slug": "JavaScript/Reference/Global_Objects/RegExp/test", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/test", "summary": "The test() method executes a search for a match between a regular expression and a specified string. Returns true if there is a match; false otherwise.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.test()" } ], "sec-regexp.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/RegExp/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/toString", "summary": "The toString() method returns a string representing the regular expression.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.toString()" } ], "sec-get-regexp.prototype.unicode": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "unicode", "slug": "JavaScript/Reference/Global_Objects/RegExp/unicode", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/unicode", "summary": "The unicode accessor property of RegExp instances returns whether or not the u flag is used with this regular expression.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "46" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0", "notes": "Case folding is implemented in version 8.6.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype.unicode" } ], "sec-get-regexp.prototype.unicodesets": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "unicodeSets", "slug": "JavaScript/Reference/Global_Objects/RegExp/unicodeSets", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/unicodeSets", "summary": "The unicodeSets accessor property of RegExp instances returns whether or not the v flag is used with this regular expression.", "support": { "chrome": { "version_added": "112" }, "chrome_android": "mirror", "deno": { "version_added": "1.32" }, "edge": "mirror", "firefox": { "version_added": "116" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "17" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "112" } }, "title": "RegExp.prototype.unicodeSets" } ], "sec-regexp.prototype-@@match": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "@@match", "slug": "JavaScript/Reference/Global_Objects/RegExp/@@match", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/@@match", "summary": "The [@@match]() method of RegExp instances specifies how String.prototype.match() should behave. In addition, its presence (or absence) can influence whether an object is regarded as a regular expression.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype[@@match]()" } ], "sec-regexp-prototype-matchall": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "@@matchAll", "slug": "JavaScript/Reference/Global_Objects/RegExp/@@matchAll", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/@@matchAll", "summary": "The [@@matchAll]() method of RegExp instances specifies how String.prototype.matchAll should behave.", "support": { "chrome": { "version_added": "73" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "67" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13" }, "safari_ios": "mirror", "samsunginternet_android": { "version_added": "5.0" }, "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype[@@matchAll]()" } ], "sec-regexp.prototype-@@replace": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "@@replace", "slug": "JavaScript/Reference/Global_Objects/RegExp/@@replace", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/@@replace", "summary": "The [@@replace]() method of RegExp instances specifies how String.prototype.replace() and String.prototype.replaceAll() should behave when the regular expression is passed in as the pattern.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype[@@replace]()" } ], "sec-regexp.prototype-@@search": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "@@search", "slug": "JavaScript/Reference/Global_Objects/RegExp/@@search", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/@@search", "summary": "The [@@search]() method of RegExp instances specifies how String.prototype.search should behave.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype[@@search]()" } ], "sec-get-regexp-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/RegExp/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/@@species", "summary": "The RegExp[@@species] static accessor property returns the constructor used to construct copied regular expressions in certain RegExp methods.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp[@@species]" } ], "sec-regexp.prototype-@@split": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "@@split", "slug": "JavaScript/Reference/Global_Objects/RegExp/@@split", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/@@split", "summary": "The [@@split]() method of RegExp instances specifies how String.prototype.split should behave when the regular expression is passed in as the separator.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp.prototype[@@split]()" } ], "sec-regexp-regular-expression-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/RegExp.json", "name": "RegExp", "slug": "JavaScript/Reference/Global_Objects/RegExp", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp", "summary": "The RegExp object is used for matching text with a pattern.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "RegExp" } ], "sec-set-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "Set", "slug": "JavaScript/Reference/Global_Objects/Set/Set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/Set", "summary": "The Set() constructor creates Set objects.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set() constructor" } ], "sec-set.prototype.add": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "add", "slug": "JavaScript/Reference/Global_Objects/Set/add", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/add", "summary": "The add() method inserts a new element with a specified value in to a Set object, if there isn't an element with the same value already in the Set.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11", "partial_implementation": true, "notes": "Returns 'undefined' instead of the 'Set' object." }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.add()" } ], "sec-set.prototype.clear": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "clear", "slug": "JavaScript/Reference/Global_Objects/Set/clear", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/clear", "summary": "The clear() method removes all elements from a Set object.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "19" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.clear()" } ], "sec-set.prototype.delete": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "delete", "slug": "JavaScript/Reference/Global_Objects/Set/delete", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/delete", "summary": "The delete() method removes a specified value from a Set object, if it is in the set.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.delete()" } ], "sec-set.prototype.entries": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "entries", "slug": "JavaScript/Reference/Global_Objects/Set/entries", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/entries", "summary": "The entries() method returns a new set iterator object that contains an array of [value, value] for each element in the Set object, in insertion order. For Set objects there is no key like in Map objects. However, to keep the API similar to the Map object, each entry has the same value for its key and value here, so that an array [value, value] is returned.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "24" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.entries()" } ], "sec-set.prototype.foreach": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "forEach", "slug": "JavaScript/Reference/Global_Objects/Set/forEach", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/forEach", "summary": "The forEach() method executes a provided function once for each value in the Set object, in insertion order.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.forEach()" } ], "sec-set.prototype.has": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "has", "slug": "JavaScript/Reference/Global_Objects/Set/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/has", "summary": "The has() method returns a boolean indicating whether an element with the specified value exists in a Set object or not.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.has()" } ], "sec-get-set.prototype.size": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "size", "slug": "JavaScript/Reference/Global_Objects/Set/size", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/size", "summary": "The size accessor property of Set instances returns the number of (unique) elements in this set.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "19", "notes": "From Firefox 13 to Firefox 18, the size property was implemented as a Set.prototype.size() method, this has been changed to a property in later versions conform to the ECMAScript 2015 specification." }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype.size" } ], "sec-set.prototype.values": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "values", "slug": "JavaScript/Reference/Global_Objects/Set/values", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/values", "summary": "The values() method returns a new set iterator object that contains the values for each element in the Set object in insertion order.", "support": { "chrome": [ { "version_added": "38" }, { "alternative_name": "keys", "version_added": "38" } ], "chrome_android": "mirror", "deno": [ { "version_added": "1.0" }, { "alternative_name": "keys", "version_added": "1.0" } ], "edge": { "version_added": "12" }, "firefox": [ { "version_added": "24" }, { "alternative_name": "keys", "version_added": "24" } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "0.12.0" }, { "alternative_name": "keys", "version_added": "0.12.0" } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": [ { "version_added": "8" }, { "alternative_name": "keys", "version_added": "8" } ], "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "alternative_name": "keys", "version_added": "79" } ] }, "title": "Set.prototype.values()" } ], "sec-set.prototype-@@iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "@@iterator", "slug": "JavaScript/Reference/Global_Objects/Set/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/@@iterator", "summary": "The [@@iterator]() method of Set instances implements the iterable protocol and allows sets to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns an set iterator object that yields the values of the set in insertion order.", "support": { "chrome": { "version_added": "43" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "36" }, { "alternative_name": "@@iterator", "version_added": "27", "version_removed": "36", "notes": "A placeholder property named @@iterator is used." }, { "alternative_name": "iterator", "version_added": "17", "version_removed": "27", "notes": "A placeholder property named iterator is used." } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set.prototype[@@iterator]()" } ], "sec-get-set-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/Set/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/@@species", "summary": "The Set[@@species] static accessor property is an unused accessor property specifying how to copy Set objects.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "41" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set[@@species]" } ], "sec-set-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Set.json", "name": "Set", "slug": "JavaScript/Reference/Global_Objects/Set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set", "summary": "The Set object lets you store unique values of any type, whether primitive values or object references.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Set" } ], "sec-sharedarraybuffer-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SharedArrayBuffer.json", "name": "SharedArrayBuffer", "slug": "JavaScript/Reference/Global_Objects/SharedArrayBuffer/SharedArrayBuffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/SharedArrayBuffer", "summary": "The SharedArrayBuffer() constructor creates SharedArrayBuffer objects.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "title": "SharedArrayBuffer() constructor" } ], "sec-get-sharedarraybuffer.prototype.bytelength": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SharedArrayBuffer.json", "name": "byteLength", "slug": "JavaScript/Reference/Global_Objects/SharedArrayBuffer/byteLength", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/byteLength", "summary": "The byteLength accessor property of SharedArrayBuffer instances returns the length (in bytes) of this SharedArrayBuffer.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "title": "SharedArrayBuffer.prototype.byteLength" } ], "sec-sharedarraybuffer.prototype.slice": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SharedArrayBuffer.json", "name": "slice", "slug": "JavaScript/Reference/Global_Objects/SharedArrayBuffer/slice", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/slice", "summary": "The slice() method of SharedArrayBuffer instances returns a new SharedArrayBuffer whose contents are a copy of this SharedArrayBuffer's bytes from begin, inclusive, up to end, exclusive. If either begin or end is negative, it refers to an index from the end of the array, as opposed to from the beginning. This method has the same algorithm as Array.prototype.slice().", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "title": "SharedArrayBuffer.prototype.slice()" } ], "sec-sharedarraybuffer-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SharedArrayBuffer.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/SharedArrayBuffer/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/@@species", "summary": "The SharedArrayBuffer[@@species] static accessor property returns the constructor used to construct return values from SharedArrayBuffer methods.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "title": "SharedArrayBuffer[@@species]" } ], "sec-sharedarraybuffer-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SharedArrayBuffer.json", "name": "SharedArrayBuffer", "slug": "JavaScript/Reference/Global_Objects/SharedArrayBuffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer", "summary": "The SharedArrayBuffer object is used to represent a generic raw binary data buffer, similar to the ArrayBuffer object, but in a way that they can be used to create views on shared memory. A SharedArrayBuffer is not a Transferable Object, unlike an ArrayBuffer which is transferable.", "support": { "chrome": { "version_added": "68" }, "chrome_android": { "version_added": "89" }, "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.2" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "sharedarraybuffer", "title": "Shared Array Buffer" }, "title": "SharedArrayBuffer" } ], "sec-string-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "String", "slug": "JavaScript/Reference/Global_Objects/String/String", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/String", "summary": "The String() constructor creates String objects. When called as a function, it returns primitive values of type String.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String() constructor" } ], "sec-string.prototype.at": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "at", "slug": "JavaScript/Reference/Global_Objects/String/at", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/at", "summary": "The at() method takes an integer value and returns a new String consisting of the single UTF-16 code unit located at the specified offset. This method allows for positive and negative integers. Negative integers count back from the last string character.", "support": { "chrome": { "version_added": "92" }, "chrome_android": "mirror", "deno": { "version_added": "1.12" }, "edge": "mirror", "firefox": { "version_added": "90" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.6.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "92" } }, "title": "String.prototype.at()" } ], "sec-string.prototype.charat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "charAt", "slug": "JavaScript/Reference/Global_Objects/String/charAt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charAt", "summary": "The charAt() method of String values returns a new string consisting of the single UTF-16 code unit at the given index.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.charAt()" } ], "sec-string.prototype.charcodeat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "charCodeAt", "slug": "JavaScript/Reference/Global_Objects/String/charCodeAt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/charCodeAt", "summary": "The charCodeAt() method of String values returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.charCodeAt()" } ], "sec-string.prototype.codepointat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "codePointAt", "slug": "JavaScript/Reference/Global_Objects/String/codePointAt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/codePointAt", "summary": "The codePointAt() method of String values returns a non-negative integer that is the Unicode code point value of the character starting at the given index. Note that the index is still based on UTF-16 code units, not Unicode code points.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.codePointAt()" } ], "sec-string.prototype.concat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "concat", "slug": "JavaScript/Reference/Global_Objects/String/concat", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/concat", "summary": "The concat() method concatenates the string arguments to the calling string and returns a new string.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.concat()" } ], "sec-string.prototype.endswith": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "endsWith", "slug": "JavaScript/Reference/Global_Objects/String/endsWith", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/endsWith", "summary": "The endsWith() method determines whether a string ends with the characters of a specified string, returning true or false as appropriate.", "support": { "chrome": { "version_added": "41" }, "chrome_android": { "version_added": "36" }, "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "17" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.endsWith()" } ], "sec-string.fromcharcode": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "fromCharCode", "slug": "JavaScript/Reference/Global_Objects/String/fromCharCode", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode", "summary": "The String.fromCharCode() static method returns a string created from the specified sequence of UTF-16 code units.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.fromCharCode()" } ], "sec-string.fromcodepoint": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "fromCodePoint", "slug": "JavaScript/Reference/Global_Objects/String/fromCodePoint", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCodePoint", "summary": "The String.fromCodePoint() static method returns a string created from the specified sequence of code points.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.fromCodePoint()" } ], "sec-string.prototype.includes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "includes", "slug": "JavaScript/Reference/Global_Objects/String/includes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/includes", "summary": "The includes() method performs a case-sensitive search to determine whether one string may be found within another string, returning true or false as appropriate.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "40" }, { "alternative_name": "contains", "version_added": "18", "version_removed": "48" } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "es6-string-includes", "title": "String.prototype.includes" }, "title": "String.prototype.includes()" } ], "sec-string.prototype.indexof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "indexOf", "slug": "JavaScript/Reference/Global_Objects/String/indexOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/indexOf", "summary": "The indexOf() method of String values searches this string and returns the index of the first occurrence of the specified substring. It takes an optional starting position and returns the first occurrence of the specified substring at an index greater than or equal to the specified number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.indexOf()" } ], "sec-string.prototype.iswellformed": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "isWellFormed", "slug": "JavaScript/Reference/Global_Objects/String/isWellFormed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/isWellFormed", "summary": "The isWellFormed() method of String values returns a boolean indicating whether this string contains any lone surrogates.", "support": { "chrome": { "version_added": "111" }, "chrome_android": "mirror", "deno": { "version_added": "1.32" }, "edge": "mirror", "firefox": { "version_added": "preview" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "111" } }, "title": "String.prototype.isWellFormed()" } ], "sec-string.prototype.lastindexof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "lastIndexOf", "slug": "JavaScript/Reference/Global_Objects/String/lastIndexOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/lastIndexOf", "summary": "The lastIndexOf() method of String values searches this string and returns the index of the last occurrence of the specified substring. It takes an optional starting position and returns the last occurrence of the specified substring at an index less than or equal to the specified number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "6" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.lastIndexOf()" } ], "sec-properties-of-string-instances-length": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "length", "slug": "JavaScript/Reference/Global_Objects/String/length", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/length", "summary": "The length data property of a String value contains the length of the string in UTF-16 code units.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String: length" } ], "sec-string.prototype.localecompare": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "localeCompare", "slug": "JavaScript/Reference/Global_Objects/String/localeCompare", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/localeCompare", "summary": "The localeCompare() method returns a number indicating whether a reference string comes before, or after, or is the same as the given string in sort order. In implementations with Intl.Collator API support, this method simply calls Intl.Collator.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.localeCompare()" } ], "sec-string.prototype.match": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "match", "slug": "JavaScript/Reference/Global_Objects/String/match", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/match", "summary": "The match() method retrieves the result of matching a string against a regular expression.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.match()" } ], "sec-string.prototype.matchall": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "matchAll", "slug": "JavaScript/Reference/Global_Objects/String/matchAll", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/matchAll", "summary": "The matchAll() method returns an iterator of all results matching a string against a regular expression, including capturing groups.", "support": { "chrome": { "version_added": "73" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "67" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.matchAll()" } ], "sec-string.prototype.normalize": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "normalize", "slug": "JavaScript/Reference/Global_Objects/String/normalize", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/normalize", "summary": "The normalize() method returns the Unicode Normalization Form of the string.", "support": { "chrome": { "version_added": "34" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.normalize()" } ], "sec-string.prototype.padend": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "padEnd", "slug": "JavaScript/Reference/Global_Objects/String/padEnd", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padEnd", "summary": "The padEnd() method pads the current string with a given string (repeated, if needed) so that the resulting string reaches a given length. The padding is applied from the end of the current string.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "8.0.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "pad-start-end", "title": "String.prototype.padStart(), String.prototype.padEnd()" }, "title": "String.prototype.padEnd()" } ], "sec-string.prototype.padstart": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "padStart", "slug": "JavaScript/Reference/Global_Objects/String/padStart", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/padStart", "summary": "The padStart() method pads the current string with another string (multiple times, if needed) until the resulting string reaches the given length. The padding is applied from the start of the current string.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "8.0.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.padStart()" } ], "sec-string.raw": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "raw", "slug": "JavaScript/Reference/Global_Objects/String/raw", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/raw", "summary": "The String.raw() static method is a tag function of template literals. This is similar to the r prefix in Python, or the @ prefix in C# for string literals. It's used to get the raw string form of template literals — that is, substitutions (e.g. ${foo}) are processed, but escape sequences (e.g. \\n) are not.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.raw()" } ], "sec-string.prototype.repeat": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "repeat", "slug": "JavaScript/Reference/Global_Objects/String/repeat", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/repeat", "summary": "The repeat() method constructs and returns a new string which contains the specified number of copies of the string on which it was called, concatenated together.", "support": { "chrome": { "version_added": "41" }, "chrome_android": { "version_added": "36" }, "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "24" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": { "version_added": "28" }, "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "41" }, "edge_blink": { "version_added": "79" } }, "title": "String.prototype.repeat()" } ], "sec-string.prototype.replace": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "replace", "slug": "JavaScript/Reference/Global_Objects/String/replace", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replace", "summary": "The replace() method returns a new string with one, some, or all matches of a pattern replaced by a replacement. The pattern can be a string or a RegExp, and the replacement can be a string or a function called for each match. If pattern is a string, only the first occurrence will be replaced. The original string is left unchanged.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": [ { "version_added": "5.5" }, { "version_added": "4", "version_removed": "5.5", "partial_implementation": true, "notes": "A replacement function as second argument is not supported." } ], "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.replace()" } ], "sec-string.prototype.replaceall": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "replaceAll", "slug": "JavaScript/Reference/Global_Objects/String/replaceAll", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/replaceAll", "summary": "The replaceAll() method returns a new string with all matches of a pattern replaced by a replacement. The pattern can be a string or a RegExp, and the replacement can be a string or a function to be called for each match. The original string is left unchanged.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "77" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "String.prototype.replaceAll()" } ], "sec-string.prototype.search": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "search", "slug": "JavaScript/Reference/Global_Objects/String/search", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/search", "summary": "The search() method executes a search for a match between a regular expression and this String object.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.search()" } ], "sec-string.prototype.slice": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "slice", "slug": "JavaScript/Reference/Global_Objects/String/slice", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice", "summary": "The slice() method extracts a section of a string and returns it as a new string, without modifying the original string.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.slice()" } ], "sec-string.prototype.split": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "split", "slug": "JavaScript/Reference/Global_Objects/String/split", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split", "summary": "The split() method takes a pattern and divides a String into an ordered list of substrings by searching for the pattern, puts these substrings into an array, and returns the array.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.split()" } ], "sec-string.prototype.startswith": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "startsWith", "slug": "JavaScript/Reference/Global_Objects/String/startsWith", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/startsWith", "summary": "The startsWith() method determines whether a string begins with the characters of a specified string, returning true or false as appropriate.", "support": { "chrome": { "version_added": "41" }, "chrome_android": { "version_added": "36" }, "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "17" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.startsWith()" } ], "sec-string.prototype.substring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "substring", "slug": "JavaScript/Reference/Global_Objects/String/substring", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substring", "summary": "The substring() method returns the part of the string from the start index up to and excluding the end index, or to the end of the string if no end index is supplied.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.substring()" } ], "sec-string.prototype.tolocalelowercase": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "toLocaleLowerCase", "slug": "JavaScript/Reference/Global_Objects/String/toLocaleLowerCase", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLocaleLowerCase", "summary": "The toLocaleLowerCase() method returns the calling string value converted to lower case, according to any locale-specific case mappings.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1.3" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.toLocaleLowerCase()" } ], "sec-string.prototype.tolocaleuppercase": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "toLocaleUpperCase", "slug": "JavaScript/Reference/Global_Objects/String/toLocaleUpperCase", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLocaleUpperCase", "summary": "The toLocaleUpperCase() method returns the calling string value converted to upper case, according to any locale-specific case mappings.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1.3" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.toLocaleUpperCase()" } ], "sec-string.prototype.tolowercase": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "toLowerCase", "slug": "JavaScript/Reference/Global_Objects/String/toLowerCase", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toLowerCase", "summary": "The toLowerCase() method returns the calling string value converted to lower case.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.toLowerCase()" } ], "sec-string.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/String/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toString", "summary": "The toString() method returns a string representing the specified string value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.toString()" } ], "sec-string.prototype.touppercase": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "toUpperCase", "slug": "JavaScript/Reference/Global_Objects/String/toUpperCase", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase", "summary": "The toUpperCase() method returns the calling string value converted to uppercase (the value will be converted to a string if it isn't one).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.toUpperCase()" } ], "sec-string.prototype.towellformed": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "toWellFormed", "slug": "JavaScript/Reference/Global_Objects/String/toWellFormed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toWellFormed", "summary": "The toWellFormed() method of String values returns a string where all lone surrogates of this string are replaced with the Unicode replacement character U+FFFD.", "support": { "chrome": { "version_added": "111" }, "chrome_android": "mirror", "deno": { "version_added": "1.32" }, "edge": "mirror", "firefox": { "version_added": "preview" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "111" } }, "title": "String.prototype.toWellFormed()" } ], "sec-string.prototype.trim": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "trim", "slug": "JavaScript/Reference/Global_Objects/String/trim", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trim", "summary": "The trim() method removes whitespace from both ends of a string and returns a new string, without modifying the original string.", "support": { "chrome": { "version_added": "4" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "String.prototype.trim()" } ], "sec-string.prototype.trimend": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "trimEnd", "slug": "JavaScript/Reference/Global_Objects/String/trimEnd", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trimEnd", "summary": "The trimEnd() method removes whitespace from the end of a string and returns a new string, without modifying the original string. trimRight() is an alias of this method.", "support": { "chrome": [ { "version_added": "66" }, { "version_added": "4", "alternative_name": "trimRight" } ], "chrome_android": "mirror", "deno": [ { "version_added": "1.0" }, { "version_added": "1.0", "alternative_name": "trimRight" } ], "edge": { "version_added": false }, "firefox": [ { "version_added": "61" }, { "version_added": "3.5", "alternative_name": "trimRight" } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "0.12.0", "alternative_name": "trimRight" } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": [ { "version_added": "66" }, { "version_added": "37", "alternative_name": "trimRight" } ], "edge_blink": [ { "version_added": "79" }, { "version_added": "79", "alternative_name": "trimRight" } ] }, "title": "String.prototype.trimEnd()" } ], "sec-string.prototype.trimstart": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "trimStart", "slug": "JavaScript/Reference/Global_Objects/String/trimStart", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/trimStart", "summary": "The trimStart() method removes whitespace from the beginning of a string and returns a new string, without modifying the original string. trimLeft() is an alias of this method.", "support": { "chrome": [ { "version_added": "66" }, { "version_added": "4", "alternative_name": "trimLeft" } ], "chrome_android": "mirror", "deno": [ { "version_added": "1.0" }, { "version_added": "1.0", "alternative_name": "trimLeft" } ], "edge": { "version_added": false }, "firefox": [ { "version_added": "61" }, { "version_added": "3.5", "alternative_name": "trimLeft" } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "0.12.0", "alternative_name": "trimLeft" } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": [ { "version_added": "66" }, { "version_added": "37", "alternative_name": "trimLeft" } ], "edge_blink": [ { "version_added": "79" }, { "version_added": "79", "alternative_name": "trimLeft" } ] }, "title": "String.prototype.trimStart()" } ], "sec-string.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/String/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/valueOf", "summary": "The valueOf() method returns the primitive value of a String object.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype.valueOf()" } ], "sec-string.prototype-@@iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "@@iterator", "slug": "JavaScript/Reference/Global_Objects/String/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/@@iterator", "summary": "The [@@iterator]() method of String values implements the iterable protocol and allows strings to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns a string iterator object that yields the Unicode code points of the string value as individual strings.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "36" }, { "alternative_name": "@@iterator", "version_added": "27", "version_removed": "36", "notes": "A placeholder property named @@iterator is used." }, { "alternative_name": "iterator", "version_added": "17", "version_removed": "27", "notes": "A placeholder property named iterator is used." } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String.prototype[@@iterator]()" } ], "sec-string-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/String.json", "name": "String", "slug": "JavaScript/Reference/Global_Objects/String", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String", "summary": "The String object is used to represent and manipulate a sequence of characters.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "String" } ], "sec-symbol-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "Symbol", "slug": "JavaScript/Reference/Global_Objects/Symbol/Symbol", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/Symbol", "summary": "The Symbol() function returns primitive values of type Symbol.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol() constructor" } ], "sec-symbol.asynciterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "asyncIterator", "slug": "JavaScript/Reference/Global_Objects/Symbol/asyncIterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/asyncIterator", "summary": "The Symbol.asyncIterator static data property represents the well-known symbol @@asyncIterator. The async iterable protocol looks up this symbol for the method that returns the async iterator for an object. In order for an object to be async iterable, it must have an @@asyncIterator key.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "57" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.asyncIterator" } ], "sec-symbol.prototype.description": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "description", "slug": "JavaScript/Reference/Global_Objects/Symbol/description", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/description", "summary": "The description accessor property of Symbol values returns a string containing the description of this symbol, or undefined if the symbol has no description.", "support": { "chrome": { "version_added": "70" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "63" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "11.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": [ { "version_added": "12.1" }, { "version_added": "12", "partial_implementation": true, "notes": "No support for an undefined description." } ], "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.prototype.description" } ], "sec-symbol.for": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "for", "slug": "JavaScript/Reference/Global_Objects/Symbol/for", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/for", "summary": "The Symbol.for() static method searches for existing symbols in a runtime-wide symbol registry with the given key and returns it if found. Otherwise a new symbol gets created in the global symbol registry with this key.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.for()" } ], "sec-symbol.hasinstance": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "hasInstance", "slug": "JavaScript/Reference/Global_Objects/Symbol/hasInstance", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/hasInstance", "summary": "The Symbol.hasInstance static data property represents the well-known symbol @@hasInstance. The instanceof operator looks up this symbol on its right-hand operand for the method used to determine if the constructor object recognizes an object as its instance.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "50" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.hasInstance" } ], "sec-symbol.isconcatspreadable": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "isConcatSpreadable", "slug": "JavaScript/Reference/Global_Objects/Symbol/isConcatSpreadable", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/isConcatSpreadable", "summary": "The Symbol.isConcatSpreadable static data property represents the well-known symbol @@isConcatSpreadable. The Array.prototype.concat() method looks up this symbol on each object being concatenated to determine if it should be treated as an array-like object and flattened to its array elements.", "support": { "chrome": { "version_added": "48" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.isConcatSpreadable" } ], "sec-symbol.iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "iterator", "slug": "JavaScript/Reference/Global_Objects/Symbol/iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/iterator", "summary": "The Symbol.iterator static data property represents the well-known symbol @@iterator. The iterable protocol looks up this symbol for the method that returns the iterator for an object. In order for an object to be iterable, it must have an @@iterator key.", "support": { "chrome": { "version_added": "43" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.iterator" } ], "sec-symbol.keyfor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "keyFor", "slug": "JavaScript/Reference/Global_Objects/Symbol/keyFor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/keyFor", "summary": "The Symbol.keyFor() static method retrieves a shared symbol key from the global symbol registry for the given symbol.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.keyFor()" } ], "sec-symbol.match": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "match", "slug": "JavaScript/Reference/Global_Objects/Symbol/match", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/match", "summary": "The Symbol.match static data property represents the well-known symbol @@match. The String.prototype.match() method looks up this symbol on its first argument for the method used to match an input string against the current object. This symbol is also used to determine if an object should be treated as a regex.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "40" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.match" } ], "sec-symbol.matchall": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "matchAll", "slug": "JavaScript/Reference/Global_Objects/Symbol/matchAll", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/matchAll", "summary": "The Symbol.matchAll static data property represents the well-known symbol @@matchAll. The String.prototype.matchAll() method looks up this symbol on its first argument for the method that returns an iterator, that yields matches of the current object against a string.", "support": { "chrome": { "version_added": "73" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "67" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.matchAll" } ], "sec-symbol.replace": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "replace", "slug": "JavaScript/Reference/Global_Objects/Symbol/replace", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/replace", "summary": "The Symbol.replace static data property represents the well-known symbol @@replace. The String.prototype.replace() method looks up this symbol on its first argument for the method that replaces substrings matched by the current object.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.replace" } ], "sec-symbol.search": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "search", "slug": "JavaScript/Reference/Global_Objects/Symbol/search", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/search", "summary": "The Symbol.search static data property represents the well-known symbol @@search. The String.prototype.search() method looks up this symbol on its first argument for the method that returns the index within a string that matches the current object.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.search" } ], "sec-symbol.species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "species", "slug": "JavaScript/Reference/Global_Objects/Symbol/species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/species", "summary": "The Symbol.species static data property represents the well-known symbol @@species. Methods that create copies of an object may look up this symbol on the object for the constructor function to use when creating the copy.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "41" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.species" } ], "sec-symbol.split": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "split", "slug": "JavaScript/Reference/Global_Objects/Symbol/split", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/split", "summary": "The Symbol.split static data property represents the well-known symbol @@split. The String.prototype.split() method looks up this symbol on its first argument for the method that splits a string at the indices that match the current object.", "support": { "chrome": { "version_added": "50" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.split" } ], "sec-symbol.toprimitive": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "toPrimitive", "slug": "JavaScript/Reference/Global_Objects/Symbol/toPrimitive", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toPrimitive", "summary": "The Symbol.toPrimitive static data property represents the well-known symbol @@toPrimitive. All type coercion algorithms look up this symbol on objects for the method that accepts a preferred type and returns a primitive representation of the object, before falling back to using the object's valueOf() and toString() methods.", "support": { "chrome": { "version_added": "47" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "44" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.toPrimitive" } ], "sec-symbol.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/Symbol/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toString", "summary": "The toString() method returns a string representing the specified symbol value.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.prototype.toString()" } ], "sec-symbol.tostringtag": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "toStringTag", "slug": "JavaScript/Reference/Global_Objects/Symbol/toStringTag", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toStringTag", "summary": "The Symbol.toStringTag static data property represents the well-known symbol @@toStringTag. Object.prototype.toString() looks up this symbol on the this value for the property containing a string that represents the type of the object.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "51" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.toStringTag" } ], "sec-symbol.unscopables": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "unscopables", "slug": "JavaScript/Reference/Global_Objects/Symbol/unscopables", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/unscopables", "summary": "The Symbol.unscopables static data property represents the well-known symbol @@unscopables. The with statement looks up this symbol on the scope object for a property containing a collection of properties that should not become bindings within the with environment.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.unscopables" } ], "sec-symbol.prototype.valueof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "valueOf", "slug": "JavaScript/Reference/Global_Objects/Symbol/valueOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/valueOf", "summary": "The valueOf() method returns the primitive value of a Symbol object.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.prototype.valueOf()" } ], "sec-symbol.prototype-@@toprimitive": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "@@toPrimitive", "slug": "JavaScript/Reference/Global_Objects/Symbol/@@toPrimitive", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/@@toPrimitive", "summary": "The [@@toPrimitive]() method converts a Symbol object to a primitive value.", "support": { "chrome": { "version_added": "47" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "44" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol.prototype[@@toPrimitive]()" } ], "sec-symbol-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/Symbol.json", "name": "Symbol", "slug": "JavaScript/Reference/Global_Objects/Symbol", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol", "summary": "Symbol is a built-in object whose constructor returns a symbol primitive — also called a Symbol value or just a Symbol — that's guaranteed to be unique. Symbols are often used to add unique property keys to an object that won't collide with keys any other code might add to the object, and which are hidden from any mechanisms other code will typically use to access the object. That enables a form of weak encapsulation, or a weak form of information hiding.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Symbol" } ], "sec-native-error-types-used-in-this-standard-syntaxerror": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/SyntaxError.json", "name": "SyntaxError", "slug": "JavaScript/Reference/Global_Objects/SyntaxError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SyntaxError", "summary": "The SyntaxError object represents an error when trying to interpret syntactically invalid code. It is thrown when the JavaScript engine encounters tokens or token order that does not conform to the syntax of the language when parsing code.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "SyntaxError" } ], "sec-native-error-types-used-in-this-standard-typeerror": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypeError.json", "name": "TypeError", "slug": "JavaScript/Reference/Global_Objects/TypeError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypeError", "summary": "The TypeError object represents an error when an operation could not be performed, typically (but not exclusively) when a value is not of the expected type.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypeError" } ], "sec-typedarray.bytes_per_element": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "BYTES_PER_ELEMENT", "slug": "JavaScript/Reference/Global_Objects/TypedArray/BYTES_PER_ELEMENT", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/BYTES_PER_ELEMENT", "summary": "The TypedArray.BYTES_PER_ELEMENT static data property represents the size in bytes of each element in a typed array.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.BYTES_PER_ELEMENT" } ], "sec-%typedarray%.prototype.at": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "at", "slug": "JavaScript/Reference/Global_Objects/TypedArray/at", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/at", "summary": "The at() method takes an integer value and returns the item at that index, allowing for positive and negative integers. Negative integers count back from the last item in the array.", "support": { "chrome": { "version_added": "92" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": "mirror", "firefox": { "version_added": "90" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.6.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "92" } }, "title": "TypedArray.prototype.at()" } ], "sec-get-%typedarray%.prototype.buffer": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "buffer", "slug": "JavaScript/Reference/Global_Objects/TypedArray/buffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/buffer", "summary": "The buffer accessor property of TypedArray instances returns the ArrayBuffer or SharedArrayBuffer referenced by this typed array at construction time.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.buffer" } ], "sec-get-%typedarray%.prototype.bytelength": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "byteLength", "slug": "JavaScript/Reference/Global_Objects/TypedArray/byteLength", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/byteLength", "summary": "The byteLength accessor property of TypedArray instances returns the length (in bytes) of this typed array.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.byteLength" } ], "sec-get-%typedarray%.prototype.byteoffset": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "byteOffset", "slug": "JavaScript/Reference/Global_Objects/TypedArray/byteOffset", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/byteOffset", "summary": "The byteOffset accessor property of TypedArray instances returns the offset (in bytes) of this typed array from the start of its ArrayBuffer or SharedArrayBuffer.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.byteOffset" } ], "sec-%typedarray%.prototype.copywithin": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "copyWithin", "slug": "JavaScript/Reference/Global_Objects/TypedArray/copyWithin", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/copyWithin", "summary": "The copyWithin() method copies the sequence of array elements within the array to the position starting at target. The copy is taken from the index positions of the second and third arguments start and end. The end argument is optional and defaults to the length of the array. This method has the same algorithm as Array.prototype.copyWithin. TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.copyWithin()" } ], "sec-%typedarray%.prototype.entries": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "entries", "slug": "JavaScript/Reference/Global_Objects/TypedArray/entries", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/entries", "summary": "The entries() method returns a new array iterator that contains the key/value pairs for each index in the array.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.entries()" } ], "sec-%typedarray%.prototype.every": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "every", "slug": "JavaScript/Reference/Global_Objects/TypedArray/every", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/every", "summary": "The every() method tests whether all elements in the typed array pass the test implemented by the provided function. This method has the same algorithm as Array.prototype.every(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.every()" } ], "sec-%typedarray%.prototype.fill": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "fill", "slug": "JavaScript/Reference/Global_Objects/TypedArray/fill", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/fill", "summary": "The fill() method fills all the elements of a typed array from a start index to an end index with a static value. This method has the same algorithm as Array.prototype.fill(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.fill()" } ], "sec-%typedarray%.prototype.filter": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "filter", "slug": "JavaScript/Reference/Global_Objects/TypedArray/filter", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/filter", "summary": "The filter() method creates a new typed array with all elements that pass the test implemented by the provided function. This method has the same algorithm as Array.prototype.filter(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.filter()" } ], "sec-%typedarray%.prototype.find": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "find", "slug": "JavaScript/Reference/Global_Objects/TypedArray/find", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/find", "summary": "The find() method returns a value of an element in the typed array, if it satisfies the provided testing function. Otherwise undefined is returned. TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.find()" } ], "sec-%typedarray%.prototype.findindex": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "findIndex", "slug": "JavaScript/Reference/Global_Objects/TypedArray/findIndex", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/findIndex", "summary": "The findIndex() method returns an index in the typed array, if an element in the typed array satisfies the provided testing function. Otherwise -1 is returned.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.findIndex()" } ], "sec-%typedarray%.prototype.findlast": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "findLast", "slug": "JavaScript/Reference/Global_Objects/TypedArray/findLast", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/findLast", "summary": "The findLast() method iterates a typed array in reverse order and returns the value of the first element that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.", "support": { "chrome": { "version_added": "97" }, "chrome_android": "mirror", "deno": { "version_added": "1.16" }, "edge": "mirror", "firefox": { "version_added": "104" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "97" } }, "title": "TypedArray.prototype.findLast()" } ], "sec-%typedarray%.prototype.findlastindex": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "findLastIndex", "slug": "JavaScript/Reference/Global_Objects/TypedArray/findLastIndex", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/findLastIndex", "summary": "The findLastIndex() method iterates a typed array in reverse order and returns the index of the first element that satisfies the provided testing function. If no values satisfy the testing function, -1 is returned.", "support": { "chrome": { "version_added": "97" }, "chrome_android": "mirror", "deno": { "version_added": "1.16" }, "edge": "mirror", "firefox": { "version_added": "104" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "97" } }, "title": "TypedArray.prototype.findLastIndex()" } ], "sec-%typedarray%.prototype.foreach": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "forEach", "slug": "JavaScript/Reference/Global_Objects/TypedArray/forEach", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/forEach", "summary": "The forEach() method executes a provided function once per array element. This method has the same algorithm as Array.prototype.forEach(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.forEach()" } ], "sec-%typedarray%.from": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "from", "slug": "JavaScript/Reference/Global_Objects/TypedArray/from", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/from", "summary": "The TypedArray.from() static method creates a new typed array from an array-like or iterable object. This method is nearly the same as Array.from().", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.from()" } ], "sec-%typedarray%.prototype.includes": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "includes", "slug": "JavaScript/Reference/Global_Objects/TypedArray/includes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/includes", "summary": "The includes() method determines whether a typed array includes a certain element, returning true or false as appropriate. This method has the same algorithm as Array.prototype.includes(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "47" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "43" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.includes()" } ], "sec-%typedarray%.prototype.indexof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "indexOf", "slug": "JavaScript/Reference/Global_Objects/TypedArray/indexOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/indexOf", "summary": "The indexOf() method returns the first index at which a given element can be found in the typed array, or -1 if it is not present. This method has the same algorithm as Array.prototype.indexOf(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37", "notes": "Starting with Firefox 47, this method will no longer return -0. For example, new Uint8Array([0]).indexOf(0, -0) will now always return +0." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.indexOf()" } ], "sec-%typedarray%.prototype.join": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "join", "slug": "JavaScript/Reference/Global_Objects/TypedArray/join", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/join", "summary": "The join() method joins all elements of an array into a string. This method has the same algorithm as Array.prototype.join(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.join()" } ], "sec-%typedarray%.prototype.keys": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "keys", "slug": "JavaScript/Reference/Global_Objects/TypedArray/keys", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/keys", "summary": "The keys() method returns a new array iterator object that contains the keys for each index in the array.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.keys()" } ], "sec-%typedarray%.prototype.lastindexof": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "lastIndexOf", "slug": "JavaScript/Reference/Global_Objects/TypedArray/lastIndexOf", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/lastIndexOf", "summary": "The lastIndexOf() method returns the last index at which a given element can be found in the typed array, or -1 if it is not present. The typed array is searched backwards, starting at fromIndex. This method has the same algorithm as Array.prototype.lastIndexOf(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37", "notes": "Starting with Firefox 47, this method will no longer return -0. For example, new Uint8Array([0]).lastIndexOf(0, -0) will now always return +0." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.lastIndexOf()" } ], "sec-get-%typedarray%.prototype.length": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "length", "slug": "JavaScript/Reference/Global_Objects/TypedArray/length", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/length", "summary": "The length accessor property of TypedArray instances returns the length (in elements) of this typed array.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.length" } ], "sec-%typedarray%.prototype.map": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "map", "slug": "JavaScript/Reference/Global_Objects/TypedArray/map", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/map", "summary": "The map() method creates a new typed array with the results of calling a provided function on every element in this typed array. This method has the same algorithm as Array.prototype.map(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.map()" } ], "sec-properties-of-the-typedarray-constructors": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "name", "slug": "JavaScript/Reference/Global_Objects/TypedArray/name", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/name", "summary": "The name data property of a Function instance indicates the function's name as specified when it was created, or it may be either anonymous or '' (an empty string) for functions created anonymously.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "Function: name" } ], "sec-%typedarray%.of": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "of", "slug": "JavaScript/Reference/Global_Objects/TypedArray/of", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/of", "summary": "The TypedArray.of() static method creates a new typed array from a variable number of arguments. This method is nearly the same as Array.of().", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.of()" } ], "sec-%typedarray%.prototype.reduce": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "reduce", "slug": "JavaScript/Reference/Global_Objects/TypedArray/reduce", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/reduce", "summary": "The reduce() method applies a function against an accumulator and each value of the typed array (from left-to-right) has to reduce it to a single value. This method has the same algorithm as Array.prototype.reduce(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.reduce()" } ], "sec-%typedarray%.prototype.reduceright": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "reduceRight", "slug": "JavaScript/Reference/Global_Objects/TypedArray/reduceRight", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/reduceRight", "summary": "The reduceRight() method applies a function against an accumulator and each value of the typed array (from right-to-left) has to reduce it to a single value. This method has the same algorithm as Array.prototype.reduceRight(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.reduceRight()" } ], "sec-%typedarray%.prototype.reverse": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "reverse", "slug": "JavaScript/Reference/Global_Objects/TypedArray/reverse", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/reverse", "summary": "The reverse() method reverses a typed array in place. The first typed array element becomes the last and the last becomes the first. This method has the same algorithm as Array.prototype.reverse(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.reverse()" } ], "sec-%typedarray%.prototype.set": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "set", "slug": "JavaScript/Reference/Global_Objects/TypedArray/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/set", "summary": "The set() method stores multiple values in the typed array, reading input values from a specified array.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.set()" } ], "sec-%typedarray%.prototype.slice": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "slice", "slug": "JavaScript/Reference/Global_Objects/TypedArray/slice", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/slice", "summary": "The slice() method returns a new typed array (with a new underlying buffer), that contains a copy of a portion of the original typed array. This method has the same algorithm as Array.prototype.slice(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.slice()" } ], "sec-%typedarray%.prototype.some": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "some", "slug": "JavaScript/Reference/Global_Objects/TypedArray/some", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/some", "summary": "The some() method tests whether some element in the typed array passes the test implemented by the provided function. This method has the same algorithm as Array.prototype.some(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.some()" } ], "sec-%typedarray%.prototype.sort": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "sort", "slug": "JavaScript/Reference/Global_Objects/TypedArray/sort", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/sort", "summary": "The sort() method sorts the elements of a typed array numerically in place and returns the typed array. This method has the same algorithm as Array.prototype.sort(), except that it sorts the values numerically instead of as strings by default. TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "46" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.sort()" } ], "sec-%typedarray%.prototype.subarray": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "subarray", "slug": "JavaScript/Reference/Global_Objects/TypedArray/subarray", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/subarray", "summary": "The subarray() method returns a new TypedArray on the same ArrayBuffer store and with the same element types as for this TypedArray object. The begin offset is inclusive and the end offset is exclusive. TypedArray is one of the typed array types.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": "4.2" }, "samsunginternet_android": "mirror", "webview_android": { "version_added": "4" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.subarray()" } ], "sec-%typedarray%.prototype.tolocalestring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "toLocaleString", "slug": "JavaScript/Reference/Global_Objects/TypedArray/toLocaleString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/toLocaleString", "summary": "The toLocaleString() method returns a string representing the elements of the typed array. The elements are converted to strings and are separated by a locale-specific string (such as a comma \",\"). This method has the same algorithm as Array.prototype.toLocaleString() and, as the typed array elements are numbers, the same algorithm as Number.prototype.toLocaleString() applies for each element. TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "51" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.toLocaleString()" } ], "sec-%typedarray%.prototype.toreversed": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "toReversed", "slug": "JavaScript/Reference/Global_Objects/TypedArray/toReversed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/toReversed", "summary": "The toReversed() method is the copying counterpart of the reverse() method. It returns a new array with the elements in reversed order. This method has the same algorithm as Array.prototype.reverse(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "TypedArray.prototype.toReversed()" } ], "sec-%typedarray%.prototype.tosorted": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "toSorted", "slug": "JavaScript/Reference/Global_Objects/TypedArray/toSorted", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/toSorted", "summary": "The toSorted() method is the copying version of the sort() method. It returns a new array with the elements sorted in ascending order. This method has the same algorithm as Array.prototype.toSorted(), except that it sorts the values numerically instead of as strings by default. TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "TypedArray.prototype.toSorted()" } ], "sec-%typedarray%.prototype.tostring": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "toString", "slug": "JavaScript/Reference/Global_Objects/TypedArray/toString", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/toString", "summary": "The toString() method returns a string representing the specified array and its elements. This method has the same algorithm as Array.prototype.toString(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "7" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "51" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "11.6" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "37" }, "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.toString()" } ], "sec-%typedarray%.prototype.values": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "values", "slug": "JavaScript/Reference/Global_Objects/TypedArray/values", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/values", "summary": "The values() method returns a new array iterator object that contains the values for each index in the array.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "37" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype.values()" } ], "sec-%typedarray%.prototype.with": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "with", "slug": "JavaScript/Reference/Global_Objects/TypedArray/with", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/with", "summary": "The with() method is the copying version of using the bracket notation to change the value of a given index. It returns a new array with the element at the given index replaced with the given value. This method has the same algorithm as Array.prototype.with(). TypedArray is one of the typed array types here.", "support": { "chrome": { "version_added": "110" }, "chrome_android": "mirror", "deno": { "version_added": "1.31" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "20.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "110" } }, "title": "TypedArray.prototype.with()" } ], "sec-%typedarray%.prototype-@@iterator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "@@iterator", "slug": "JavaScript/Reference/Global_Objects/TypedArray/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/@@iterator", "summary": "The [@@iterator]() method of TypedArray instances implements the iterable protocol and allows typed arrays to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns an array iterator object that yields the value of each index in the typed array.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": [ { "version_added": "36" }, { "alternative_name": "@@iterator", "version_added": "27", "version_removed": "36", "notes": "A placeholder property named @@iterator is used." }, { "alternative_name": "iterator", "version_added": "17", "version_removed": "27", "notes": "A placeholder property named iterator is used." } ], "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray.prototype[@@iterator]()" } ], "sec-get-%typedarray%-@@species": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/TypedArray.json", "name": "@@species", "slug": "JavaScript/Reference/Global_Objects/TypedArray/@@species", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/TypedArray/@@species", "summary": "The TypedArray[@@species] static accessor property returns the constructor used to construct return values from typed array methods.", "support": { "chrome": { "version_added": "51" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.5.0" }, { "version_added": "6.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "TypedArray[@@species]" } ], "sec-native-error-types-used-in-this-standard-urierror": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/URIError.json", "name": "URIError", "slug": "JavaScript/Reference/Global_Objects/URIError", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/URIError", "summary": "The URIError object represents an error when a global URI handling function was used in a wrong way.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "URIError" } ], "sec-weakmap-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakMap.json", "name": "WeakMap", "slug": "JavaScript/Reference/Global_Objects/WeakMap/WeakMap", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/WeakMap", "summary": "The WeakMap() constructor creates WeakMap objects.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakMap() constructor" } ], "sec-weakmap.prototype.delete": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakMap.json", "name": "delete", "slug": "JavaScript/Reference/Global_Objects/WeakMap/delete", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/delete", "summary": "The delete() method removes the specified element from a WeakMap object.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6", "notes": "Before Firefox 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard." }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakMap.prototype.delete()" } ], "sec-weakmap.prototype.get": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakMap.json", "name": "get", "slug": "JavaScript/Reference/Global_Objects/WeakMap/get", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/get", "summary": "The get() method returns a specified element from a WeakMap object.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6", "notes": "Before Firefox 38, this method threw a TypeError when the key parameter was not an object. However, the ES2015 specification specifies to return undefined instead. Furthermore, WeakMap.prototype.get accepted an optional second argument as a fallback value, which is not part of the standard. Both non-standard behaviors are removed in version 38 and higher." }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakMap.prototype.get()" } ], "sec-weakmap.prototype.has": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakMap.json", "name": "has", "slug": "JavaScript/Reference/Global_Objects/WeakMap/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "summary": "The has() method returns a boolean indicating whether an element with the specified key exists in the WeakMap object or not.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6", "notes": "Before Firefox 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard." }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakMap.prototype.has()" } ], "sec-weakmap.prototype.set": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakMap.json", "name": "set", "slug": "JavaScript/Reference/Global_Objects/WeakMap/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/set", "summary": "The set() method adds a new element with a specified key and value to a WeakMap object.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6", "notes": "Before Firefox 38, this method threw a TypeError when the key parameter was not an object. This has been fixed in version 38 and later to return false as per the ES2015 standard." }, "firefox_android": "mirror", "ie": { "version_added": "11", "partial_implementation": true, "notes": "Returns 'undefined' instead of the 'Map' object." }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakMap.prototype.set()" } ], "sec-weakmap-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakMap.json", "name": "WeakMap", "slug": "JavaScript/Reference/Global_Objects/WeakMap", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap", "summary": "A WeakMap is a collection of key/value pairs whose keys must be objects or non-registered symbols, with values of any arbitrary JavaScript type, and which does not create strong references to its keys. That is, an object's presence as a key in a WeakMap does not prevent the object from being garbage collected. Once an object used as a key has been collected, its corresponding values in any WeakMap become candidates for garbage collection as well — as long as they aren't strongly referred to elsewhere. The only primitive type that can be used as a WeakMap key is symbol — more specifically, non-registered symbols — because non-registered symbols are guaranteed to be unique and cannot be re-created.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "0.12.0" }, { "version_added": "0.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakMap" } ], "sec-weak-ref-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakRef.json", "name": "WeakRef", "slug": "JavaScript/Reference/Global_Objects/WeakRef/WeakRef", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakRef/WeakRef", "summary": "The WeakRef() constructor creates WeakRef objects.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "WeakRef() constructor" } ], "sec-weak-ref.prototype.deref": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakRef.json", "name": "deref", "slug": "JavaScript/Reference/Global_Objects/WeakRef/deref", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakRef/deref", "summary": "The deref() method returns the WeakRef instance's target value, or undefined if the target value has been garbage-collected.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "WeakRef.prototype.deref()" } ], "sec-weak-ref-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakRef.json", "name": "WeakRef", "slug": "JavaScript/Reference/Global_Objects/WeakRef", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakRef", "summary": "A WeakRef object lets you hold a weak reference to another object, without preventing that object from getting garbage-collected.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.6.0" }, { "version_added": "13.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-weak-refs" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "WeakRef" } ], "sec-weakset-constructor": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakSet.json", "name": "WeakSet", "slug": "JavaScript/Reference/Global_Objects/WeakSet/WeakSet", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet/WeakSet", "summary": "The WeakSet() constructor creates WeakSet objects.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakSet() constructor" } ], "sec-weakset.prototype.add": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakSet.json", "name": "add", "slug": "JavaScript/Reference/Global_Objects/WeakSet/add", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet/add", "summary": "The add() method appends a new object to the end of a WeakSet object.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakSet.prototype.add()" } ], "sec-weakset.prototype.delete": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakSet.json", "name": "delete", "slug": "JavaScript/Reference/Global_Objects/WeakSet/delete", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet/delete", "summary": "The delete() method removes the specified element from a WeakSet object.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakSet.prototype.delete()" } ], "sec-weakset.prototype.has": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakSet.json", "name": "has", "slug": "JavaScript/Reference/Global_Objects/WeakSet/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet/has", "summary": "The has() method returns a boolean indicating whether an object exists in a WeakSet or not.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakSet.prototype.has()" } ], "sec-weakset-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WeakSet.json", "name": "WeakSet", "slug": "JavaScript/Reference/Global_Objects/WeakSet", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet", "summary": "A WeakSet is a collection of garbage-collectable values, including objects and non-registered symbols. A value in the WeakSet may only occur once. It is unique in the WeakSet's collection.", "support": { "chrome": { "version_added": "36" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WeakSet" } ], "sec-native-error-types-used-in-this-standard": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WebAssembly/CompileError.json", "name": "CompileError", "slug": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/CompileError", "mdn_url": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/CompileError", "summary": "The WebAssembly.CompileError object indicates an error during WebAssembly decoding or validation.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WebAssembly.CompileError" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WebAssembly/LinkError.json", "name": "LinkError", "slug": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/LinkError", "mdn_url": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/LinkError", "summary": "The WebAssembly.LinkError object indicates an error during module instantiation (besides traps from the start function).", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WebAssembly.LinkError" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/WebAssembly/RuntimeError.json", "name": "RuntimeError", "slug": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/RuntimeError", "mdn_url": "https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/RuntimeError", "summary": "The WebAssembly.RuntimeError object is the error type that is thrown whenever WebAssembly specifies a trap.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "WebAssembly.RuntimeError" } ], "sec-value-properties-of-the-global-object-infinity": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "Infinity", "slug": "JavaScript/Reference/Global_Objects/Infinity", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Infinity", "summary": "The Infinity global property is a numeric value representing infinity.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Infinity" } ], "sec-value-properties-of-the-global-object-nan": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "NaN", "slug": "JavaScript/Reference/Global_Objects/NaN", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/NaN", "summary": "The NaN global property is a value representing Not-A-Number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "NaN" } ], "sec-decodeuri-encodeduri": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "decodeURI", "slug": "JavaScript/Reference/Global_Objects/decodeURI", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURI", "summary": "The decodeURI() function decodes a Uniform Resource Identifier (URI) previously created by encodeURI() or a similar routine.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "decodeURI()" } ], "sec-decodeuricomponent-encodeduricomponent": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "decodeURIComponent", "slug": "JavaScript/Reference/Global_Objects/decodeURIComponent", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent", "summary": "The decodeURIComponent() function decodes a Uniform Resource Identifier (URI) component previously created by encodeURIComponent() or by a similar routine.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "decodeURIComponent()" } ], "sec-encodeuri-uri": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "encodeURI", "slug": "JavaScript/Reference/Global_Objects/encodeURI", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURI", "summary": "The encodeURI() function encodes a URI by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two surrogate characters). Compared to encodeURIComponent(), this function encodes fewer characters, preserving those that are part of the URI syntax.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "encodeURI()" } ], "sec-encodeuricomponent-uricomponent": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "encodeURIComponent", "slug": "JavaScript/Reference/Global_Objects/encodeURIComponent", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent", "summary": "The encodeURIComponent() function encodes a URI by replacing each instance of certain characters by one, two, three, or four escape sequences representing the UTF-8 encoding of the character (will only be four escape sequences for characters composed of two surrogate characters). Compared to encodeURI(), this function encodes more characters, including those that are part of the URI syntax.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "encodeURIComponent()" } ], "sec-eval-x": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "eval", "slug": "JavaScript/Reference/Global_Objects/eval", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval", "summary": "The eval() function evaluates JavaScript code represented as a string and returns its completion value. The source is parsed as a script.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "eval()" } ], "sec-globalthis": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "globalThis", "slug": "JavaScript/Reference/Global_Objects/globalThis", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/globalThis", "summary": "The globalThis global property contains the global this value, which is usually akin to the global object.", "support": { "chrome": { "version_added": "71" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "65" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "globalThis" } ], "sec-isfinite-number": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "isFinite", "slug": "JavaScript/Reference/Global_Objects/isFinite", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isFinite", "summary": "The isFinite() function determines whether the passed value is a finite number. If needed, the parameter is first converted to a number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "isFinite()" } ], "sec-isnan-number": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "isNaN", "slug": "JavaScript/Reference/Global_Objects/isNaN", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isNaN", "summary": "The isNaN() function determines whether a value is NaN when converted to a number. Because coercion inside the isNaN() function can be surprising, you may alternatively want to use Number.isNaN().", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "isNaN()" } ], "sec-parsefloat-string": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "parseFloat", "slug": "JavaScript/Reference/Global_Objects/parseFloat", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseFloat", "summary": "The parseFloat() function parses a string argument and returns a floating point number.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "parseFloat()" } ], "sec-parseint-string-radix": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "parseInt", "slug": "JavaScript/Reference/Global_Objects/parseInt", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt", "summary": "The parseInt() function parses a string argument and returns an integer of the specified radix (the base in mathematical numeral systems).", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "parseInt()" } ], "sec-undefined": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/builtins/globals.json", "name": "undefined", "slug": "JavaScript/Reference/Global_Objects/undefined", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/undefined", "summary": "The undefined global property represents the primitive value undefined. It is one of JavaScript's primitive types.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "undefined" } ], "sec-static-semantics-constructormethod": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "constructor", "slug": "JavaScript/Reference/Classes/constructor", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/constructor", "summary": "The constructor method is a special method of a class for creating and initializing an object instance of that class.", "support": { "chrome": [ { "version_added": "49" }, { "version_removed": "49", "version_added": "42", "notes": "Strict mode is required." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--use_strict" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_removed": "49", "version_added": false, "notes": "Strict mode is required." } ] }, "title": "constructor" } ], "sec-class-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "extends", "slug": "JavaScript/Reference/Classes/extends", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/extends", "summary": "The extends keyword is used in class declarations or class expressions to create a class that is a child of another class.", "support": { "chrome": [ { "version_added": "49" }, { "version_removed": "49", "version_added": "42", "notes": "Strict mode is required." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--use_strict" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_removed": "49", "version_added": false, "notes": "Strict mode is required." } ] }, "caniuse": { "feature": "es6-class", "title": "ES6 classes" }, "title": "extends" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "static", "slug": "JavaScript/Reference/Classes/static", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/static", "summary": "The static keyword defines a static method or field for a class, or a static initialization block (see the link for more information about this usage). Static properties cannot be directly accessed on instances of the class. Instead, they're accessed on the class itself.", "support": { "chrome": [ { "version_added": "49" }, { "version_removed": "49", "version_added": "42", "notes": "Strict mode is required." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--use_strict" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_removed": "49", "version_added": false, "notes": "Strict mode is required." } ] }, "caniuse": { "feature": "es6-class", "title": "ES6 classes" }, "title": "static" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "classes", "slug": "JavaScript/Reference/Classes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes", "summary": "Classes are a template for creating objects. They encapsulate data with code to work on that data. Classes in JS are built on prototypes but also have some syntax and semantics that are unique to classes.", "support": { "chrome": [ { "version_added": "49" }, { "version_removed": "49", "version_added": "42", "notes": "Strict mode is required." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--use_strict" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_removed": "49", "version_added": false, "notes": "Strict mode is required." } ] }, "caniuse": { "feature": "es6-class", "title": "ES6 classes" }, "title": "Classes" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/class.json", "name": "class", "slug": "JavaScript/Reference/Operators/class", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/class", "summary": "The class keyword can be used to define a class inside an expression.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "5.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "es6-class", "title": "ES6 classes" }, "title": "class expression" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "class", "slug": "JavaScript/Reference/Statements/class", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/class", "summary": "The class declaration creates a binding of a new class to a given name.", "support": { "chrome": [ { "version_added": "49" }, { "version_removed": "49", "version_added": "42", "notes": "Strict mode is required." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_removed": "49", "version_added": false, "notes": "Strict mode is required." } ] }, "caniuse": { "feature": "es6-class", "title": "ES6 classes" }, "title": "class" } ], "prod-PrivateIdentifier": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "private_class_fields", "slug": "JavaScript/Reference/Classes/Private_class_fields", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Private_class_fields", "summary": "Class fields are public by default, but private class members can be created by using a hash # prefix. The privacy encapsulation of these class features is enforced by JavaScript itself.", "support": { "chrome": { "version_added": "74" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "90" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Private class features" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "private_class_methods", "slug": "JavaScript/Reference/Classes/Private_class_fields", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Private_class_fields", "summary": "Class fields are public by default, but private class members can be created by using a hash # prefix. The privacy encapsulation of these class features is enforced by JavaScript itself.", "support": { "chrome": { "version_added": "84" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "90" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "14.6.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "84" } }, "title": "Private class features" } ], "prod-00OK517S": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "private_class_fields_in", "slug": "JavaScript/Reference/Classes/Private_class_fields", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Private_class_fields", "summary": "Class fields are public by default, but private class members can be created by using a hash # prefix. The privacy encapsulation of these class features is enforced by JavaScript itself.", "support": { "chrome": { "version_added": "91" }, "chrome_android": "mirror", "deno": { "version_added": "1.9" }, "edge": "mirror", "firefox": { "version_added": "90" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "91" } }, "title": "Private class features" } ], "prod-FieldDefinition": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "public_class_fields", "slug": "JavaScript/Reference/Classes/Class_elements#Public_fields", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Class_elements#Public_fields", "summary": "Public fields are writable, enumerable, and configurable properties. As such, unlike their private counterparts, they participate in prototype inheritance.", "support": { "chrome": { "version_added": "72" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "69" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": [ { "version_added": "14.1" }, { "version_added": "14", "version_removed": "14.1", "partial_implementation": true, "notes": "Doesn't support public static fields. See WebKit bug 194095." } ], "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Public class fields" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "static_class_fields", "slug": "JavaScript/Reference/Classes/Class_fields", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Class_fields", "summary": "Public fields are writable, enumerable, and configurable properties. As such, unlike their private counterparts, they participate in prototype inheritance.", "support": { "chrome": { "version_added": "72" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "75" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "12.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Public class fields" } ], "prod-ClassStaticBlock": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/classes.json", "name": "static_initialization_blocks", "slug": "JavaScript/Reference/Classes/Class_static_initialization_blocks", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes/Class_static_initialization_blocks", "summary": "Static initialization blocks are declared within a class. It contains statements to be evaluated during class initialization. This permits more flexible initialization logic than static properties, such as using try...catch or setting multiple fields from a single value. Initialization is performed in the context of the current class declaration, with access to private state, which allows the class to share information of its private properties with other classes or functions declared in the same scope (analogous to \"friend\" classes in C++).", "support": { "chrome": { "version_added": "94" }, "chrome_android": "mirror", "deno": { "version_added": "1.14" }, "edge": "mirror", "firefox": { "version_added": "93" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "16.11.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "94" } }, "title": "Static initialization blocks" } ], "sec-arguments-exotic-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "length", "slug": "JavaScript/Reference/Functions/arguments/length", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments/length", "summary": "The arguments.length data property contains the number of arguments passed to the function.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "arguments.length" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "arguments", "slug": "JavaScript/Reference/Functions/arguments", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments", "summary": "arguments is an array-like object accessible inside functions that contains the values of the arguments passed to that function.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "The arguments object" } ], "sec-createunmappedargumentsobject": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "@@iterator", "slug": "JavaScript/Reference/Functions/arguments/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments/@@iterator", "summary": "The [@@iterator]() method of arguments objects implements the iterable protocol and allows arguments objects to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns an array iterator object that yields the value of each index in the arguments object.", "support": { "chrome": { "version_added": "52" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "46" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "arguments[@@iterator]()" } ], "sec-createmappedargumentsobject": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "@@iterator", "slug": "JavaScript/Reference/Functions/arguments/@@iterator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/arguments/@@iterator", "summary": "The [@@iterator]() method of arguments objects implements the iterable protocol and allows arguments objects to be consumed by most syntaxes expecting iterables, such as the spread syntax and for...of loops. It returns an array iterator object that yields the value of each index in the arguments object.", "support": { "chrome": { "version_added": "52" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "46" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "arguments[@@iterator]()" } ], "sec-arrow-function-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "arrow_functions", "slug": "JavaScript/Reference/Functions/Arrow_functions", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions", "summary": "An arrow function expression is a compact alternative to a traditional function expression, with some semantic differences and deliberate limitations in usage:", "support": { "chrome": { "version_added": "45" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "22", "notes": [ "The initial implementation of arrow functions in Firefox made them automatically strict. This has been changed as of Firefox 24. The use of 'use strict'; is now required.", "Before Firefox 39, a line terminator (\\n) was incorrectly allowed after arrow function arguments. This has been fixed to conform to the ES2015 specification and code like () \\n => {} will now throw a SyntaxError in this and later versions." ] }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ], "partial_implementation": true, "notes": "The arrow function syntax is supported, but not the correct lexical binding of the this value." } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "arrow-functions", "title": "Arrow functions" }, "title": "Arrow function expressions" } ], "sec-function-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "default_parameters", "slug": "JavaScript/Reference/Functions/Default_parameters", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Default_parameters", "summary": "Default function parameters allow named parameters to be initialized with default values if no value or undefined is passed.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "rest-parameters", "title": "Rest parameters" }, "title": "Default parameters" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "rest_parameters", "slug": "JavaScript/Reference/Functions/rest_parameters", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters", "summary": "The rest parameter syntax allows a function to accept an indefinite number of arguments as an array, providing a way to represent variadic functions in JavaScript.", "support": { "chrome": { "version_added": "47" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "6.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "rest-parameters", "title": "Rest parameters" }, "title": "Rest parameters" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "functions", "slug": "JavaScript/Reference/Functions", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions", "summary": "Generally speaking, a function is a \"subprogram\" that can be called by code external (or internal, in the case of recursion) to the function. Like the program itself, a function is composed of a sequence of statements called the function body. Values can be passed to a function as parameters, and the function will return a value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "rest-parameters", "title": "Rest parameters" }, "title": "Functions" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/function.json", "name": "function", "slug": "JavaScript/Reference/Operators/function", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/function", "summary": "The function keyword can be used to define a function inside an expression.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "rest-parameters", "title": "Rest parameters" }, "title": "Function expression" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "function", "slug": "JavaScript/Reference/Statements/function", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function", "summary": "The function declaration creates a binding of a new function to a given name.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "rest-parameters", "title": "Rest parameters" }, "title": "function declaration" } ], "sec-method-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "get", "slug": "JavaScript/Reference/Functions/get", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get", "summary": "The get syntax binds an object property to a function that will be called when that property is looked up. It can also be used in classes.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": "mirror", "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "get" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "method_definitions", "slug": "JavaScript/Reference/Functions/Method_definitions", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Method_definitions", "summary": "Method definition is a shorter syntax for defining a function property in an object initializer. It can also be used in classes.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Method definitions" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/functions.json", "name": "set", "slug": "JavaScript/Reference/Functions/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/set", "summary": "The set syntax binds an object property to a function to be called when there is an attempt to set that property. It can also be used in classes.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1.5" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": "mirror", "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "set" } ], "sec-array-initializer": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "array_literals", "slug": "JavaScript/Reference/Lexical_grammar#Array_literals", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Array_literals", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-BinaryIntegerLiteral": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "binary_numeric_literals", "slug": "JavaScript/Reference/Lexical_grammar#Binary", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Binary", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "sec-boolean-literals": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "boolean_literals", "slug": "JavaScript/Reference/Lexical_grammar#Boolean_literal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Boolean_literal", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-DecimalLiteral": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "decimal_numeric_literals", "slug": "JavaScript/Reference/Lexical_grammar#Decimal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Decimal", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "sec-hashbang": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "hashbang_comments", "slug": "JavaScript/Reference/Lexical_grammar#Hashbang_comments", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Hashbang_comments", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "74" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "67" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-HexEscapeSequence": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "hexadecimal_escape_sequences", "slug": "JavaScript/Reference/Lexical_grammar#Hexadecimal_escape_sequences", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Hexadecimal_escape_sequences", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-HexIntegerLiteral": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "hexadecimal_numeric_literals", "slug": "JavaScript/Reference/Lexical_grammar#Hexadecimal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Hexadecimal", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "sec-null-literals": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "null_literal", "slug": "JavaScript/Reference/Lexical_grammar#Null_literal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Null_literal", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-NumericLiteralSeparator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "numeric_separators", "slug": "JavaScript/Reference/Lexical_grammar#Numeric_separators", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Numeric_separators", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "75" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "70" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "12.5.0" }, { "version_added": "10.4.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": { "version_added": false }, "safari": { "version_added": "13" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-OctalIntegerLiteral": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "octal_numeric_literals", "slug": "JavaScript/Reference/Lexical_grammar#Octal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Octal", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "sec-literals-regular-expression-literals": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "regular_expression_literals", "slug": "JavaScript/Reference/Lexical_grammar#Regular_expression_literals", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Regular_expression_literals", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. 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JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "sec-unicodeescape": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "unicode_escape_sequences", "slug": "JavaScript/Reference/Lexical_grammar#Unicode_escape_sequences", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Unicode_escape_sequences", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "prod-UnicodeEscapeSequence": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "unicode_point_escapes", "slug": "JavaScript/Reference/Lexical_grammar#Unicode_code_point_escapes", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Unicode_code_point_escapes", "summary": "This page describes JavaScript's lexical grammar. JavaScript source text is just a sequence of characters — in order for the interpreter to understand it, the string has to be parsed to a more structured representation. The initial step of parsing is called lexical analysis, in which the text gets scanned from left to right and is converted into a sequence of individual, atomic input elements. Some input elements are insignificant to the interpreter, and will be stripped after this step — they include white space and comments. The others, including identifiers, keywords, literals, and punctuators (mostly operators), will be used for further syntax analysis. Line terminators and multiline comments are also syntactically insignificant, but they guide the process for automatic semicolons insertion to make certain invalid token sequences become valid.", "support": { "chrome": { "version_added": "44" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "40" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lexical grammar" } ], "sec-template-literals": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "template_literals", "slug": "JavaScript/Reference/Template_literals", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals", "summary": "Template literals are literals delimited with backtick (`) characters, allowing for multi-line strings, string interpolation with embedded expressions, and special constructs called tagged templates.", "support": { "chrome": { "version_added": "41" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "34" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "9" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "template-literals", "title": "ES6 Template Literals (Template Strings)" }, "title": "Template literals (Template strings)" } ], "prod-Elision": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-ObjectLiteral": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-ArrayLiteral": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-Arguments": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-FormalParameters": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-CoverParenthesizedExpressionAndArrowParameterList": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-NamedImports": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-NamedExports": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-QuantifierPrefix": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "prod-annexB-InvalidBracedQuantifier": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/grammar.json", "name": "trailing_commas", "slug": "JavaScript/Reference/Trailing_commas", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Trailing_commas", "summary": "Trailing commas (sometimes called \"final commas\") can be useful when adding new elements, parameters, or properties to JavaScript code. If you want to add a new property, you can add a new line without modifying the previously last line if that line already uses a trailing comma. This makes version-control diffs cleaner and editing code might be less troublesome.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Trailing commas" } ], "sec-addition-operator-plus": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/addition.json", "name": "addition", "slug": "JavaScript/Reference/Operators/Addition", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Addition", "summary": "The addition (+) operator produces the sum of numeric operands or string concatenation.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Addition (+)" } ], "sec-assignment-operators": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/addition_assignment.json", "name": "addition_assignment", "slug": "JavaScript/Reference/Operators/Addition_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Addition_assignment", "summary": "The addition assignment (+=) operator performs addition (which is either numeric addition or string concatenation) on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Addition assignment (+=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/assignment.json", "name": "assignment", "slug": "JavaScript/Reference/Operators/Assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Assignment", "summary": "The assignment (=) operator is used to assign a value to a variable. The assignment operation evaluates to the assigned value. Chaining the assignment operator is possible in order to assign a single value to multiple variables.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Assignment (=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_and_assignment.json", "name": "bitwise_and_assignment", "slug": "JavaScript/Reference/Operators/Bitwise_AND_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_AND_assignment", "summary": "The bitwise AND assignment (&=) operator performs bitwise AND on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise AND assignment (&=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_or_assignment.json", "name": "bitwise_or_assignment", "slug": "JavaScript/Reference/Operators/Bitwise_OR_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_OR_assignment", "summary": "The bitwise OR assignment (|=) operator performs bitwise OR on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise OR assignment (|=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_xor_assignment.json", "name": "bitwise_xor_assignment", "slug": "JavaScript/Reference/Operators/Bitwise_XOR_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_XOR_assignment", "summary": "The bitwise XOR assignment (^=) operator performs bitwise XOR on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise XOR assignment (^=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/division_assignment.json", "name": "division_assignment", "slug": "JavaScript/Reference/Operators/Division_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Division_assignment", "summary": "The division assignment (/=) operator performs division on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Division assignment (/=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/exponentiation_assignment.json", "name": "exponentiation_assignment", "slug": "JavaScript/Reference/Operators/Exponentiation_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Exponentiation_assignment", "summary": "The exponentiation assignment (**=) operator performs exponentiation on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "52" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.0.0" }, { "version_added": "6.5.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "51" }, "edge_blink": { "version_added": "79" } }, "title": "Exponentiation assignment (**=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/left_shift_assignment.json", "name": "left_shift_assignment", "slug": "JavaScript/Reference/Operators/Left_shift_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Left_shift_assignment", "summary": "The left shift assignment (<<=) operator performs left shift on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Left shift assignment (<<=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/logical_and_assignment.json", "name": "logical_and_assignment", "slug": "JavaScript/Reference/Operators/Logical_AND_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_AND_assignment", "summary": "The logical AND assignment (x &&= y) operator only assigns if x is truthy.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "Logical AND assignment (&&=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/logical_or_assignment.json", "name": "logical_or_assignment", "slug": "JavaScript/Reference/Operators/Logical_OR_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_OR_assignment", "summary": "The logical OR assignment (x ||= y) operator only assigns if x is falsy.", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "Logical OR assignment (||=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/multiplication_assignment.json", "name": "multiplication_assignment", "slug": "JavaScript/Reference/Operators/Multiplication_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Multiplication_assignment", "summary": "The multiplication assignment (*=) operator performs multiplication on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Multiplication assignment (*=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/nullish_coalescing_assignment.json", "name": "nullish_coalescing_assignment", "slug": "JavaScript/Reference/Operators/Logical_nullish_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_nullish_assignment", "summary": "The nullish coalescing assignment (??=) operator, also known as the logical nullish assignment operator, only assigns if x is nullish (null or undefined).", "support": { "chrome": { "version_added": "85" }, "chrome_android": "mirror", "deno": { "version_added": "1.2" }, "edge": "mirror", "firefox": { "version_added": "79" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "15.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "85" } }, "title": "Nullish coalescing assignment (??=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/remainder_assignment.json", "name": "remainder_assignment", "slug": "JavaScript/Reference/Operators/Remainder_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Remainder_assignment", "summary": "The remainder assignment (%=) operator performs remainder on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Remainder assignment (%=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/right_shift_assignment.json", "name": "right_shift_assignment", "slug": "JavaScript/Reference/Operators/Right_shift_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Right_shift_assignment", "summary": "The right shift assignment (>>=) operator performs right shift on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Right shift assignment (>>=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/subtraction_assignment.json", "name": "subtraction_assignment", "slug": "JavaScript/Reference/Operators/Subtraction_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Subtraction_assignment", "summary": "The subtraction assignment (-=) operator performs subtraction on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Subtraction assignment (-=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/unsigned_right_shift_assignment.json", "name": "unsigned_right_shift_assignment", "slug": "JavaScript/Reference/Operators/Unsigned_right_shift_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Unsigned_right_shift_assignment", "summary": "The unsigned right shift assignment (>>>=) operator performs unsigned right shift on the two operands and assigns the result to the left operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Unsigned right shift assignment (>>>=)" } ], "sec-async-function-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/async_function.json", "name": "async_function", "slug": "JavaScript/Reference/Operators/async_function", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/async_function", "summary": "The async function keywords can be used to define an async function inside an expression.", "support": { "chrome": { "version_added": "55" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.6.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "async-functions", "title": "Async functions" }, "title": "async function expression" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/await.json", "name": "top_level", "slug": "JavaScript/Reference/Operators/await#top_level_await", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/await#top_level_await", "summary": "The await operator is used to wait for a Promise and get its fulfillment value. It can only be used inside an async function or at the top level of a module.", "support": { "chrome": { "version_added": "89" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "89" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "14.8.0", "notes": "Not supported in CommonJS modules." }, { "version_added": "14.3.0", "flags": [ { "type": "runtime_flag", "name": "--experimental-top-level-await" } ], "notes": "Not supported in CommonJS modules." } ], "oculus": "mirror", "opera": [ { "version_added": "75" }, { "version_added": "73", "version_removed": "75", "flags": [ { "type": "preference", "name": "#enable-javascript-harmony" } ] } ], "opera_android": "mirror", "safari": { "version_added": "15" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "89" } }, "caniuse": { "feature": "async-functions", "title": "Async functions" }, "title": "await" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/await.json", "name": "await", "slug": "JavaScript/Reference/Operators/await", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/await", "summary": "The await operator is used to wait for a Promise and get its fulfillment value. It can only be used inside an async function or at the top level of a module.", "support": { "chrome": { "version_added": "55" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.6.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "async-functions", "title": "Async functions" }, "title": "await" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "async_function", "slug": "JavaScript/Reference/Statements/async_function", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function", "summary": "The async function declaration creates a binding of a new async function to a given name. The await keyword is permitted within the function body, enabling asynchronous, promise-based behavior to be written in a cleaner style and avoiding the need to explicitly configure promise chains.", "support": { "chrome": { "version_added": "55" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "15" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.6.0" }, { "version_added": "7.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "async-functions", "title": "Async functions" }, "title": "async function" } ], "sec-async-generator-function-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/async_generator_function.json", "name": "async_generator_function", "slug": "JavaScript/Reference/Operators/async_function*", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/async_function*", "summary": "The async function* keywords can be used to define an asynchronous generator function inside an expression.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "async function* expression" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "async_generator_function", "slug": "JavaScript/Reference/Statements/async_function*", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/async_function*", "summary": "The async function* declaration creates a binding of a new async generator function to a given name.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "async function*" } ], "prod-BitwiseANDExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_and.json", "name": "bitwise_and", "slug": "JavaScript/Reference/Operators/Bitwise_AND", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_AND", "summary": "The bitwise AND (&) operator returns a number or BigInt whose binary representation has a 1 in each bit position for which the corresponding bits of both operands are 1.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise AND (&)" } ], "sec-bitwise-not-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_not.json", "name": "bitwise_not", "slug": "JavaScript/Reference/Operators/Bitwise_NOT", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_NOT", "summary": "The bitwise NOT (~) operator returns a number or BigInt whose binary representation has a 1 in each bit position for which the corresponding bit of the operand is 0, and a 0 otherwise.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise NOT (~)" } ], "prod-BitwiseORExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_or.json", "name": "bitwise_or", "slug": "JavaScript/Reference/Operators/Bitwise_OR", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_OR", "summary": "The bitwise OR (|) operator returns a number or BigInt whose binary representation has a 1 in each bit position for which the corresponding bits of either or both operands are 1.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise OR (|)" } ], "prod-BitwiseXORExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/bitwise_xor.json", "name": "bitwise_xor", "slug": "JavaScript/Reference/Operators/Bitwise_XOR", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_XOR", "summary": "The bitwise XOR (^) operator returns a number or BigInt whose binary representation has a 1 in each bit position for which the corresponding bits of either but not both operands are 1.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Bitwise XOR (^)" } ], "sec-comma-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/comma.json", "name": "comma", "slug": "JavaScript/Reference/Operators/Comma_operator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comma_operator", "summary": "The comma (,) operator evaluates each of its operands (from left to right) and returns the value of the last operand. This is commonly used to provide multiple updaters to a for loop's afterthought.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Comma operator (,)" } ], "sec-conditional-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/conditional.json", "name": "conditional", "slug": "JavaScript/Reference/Operators/Conditional_Operator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Conditional_Operator", "summary": "The conditional (ternary) operator is the only JavaScript operator that takes three operands: a condition followed by a question mark (?), then an expression to execute if the condition is truthy followed by a colon (:), and finally the expression to execute if the condition is falsy. This operator is frequently used as an alternative to an if...else statement.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Conditional (ternary) operator" } ], "sec-postfix-decrement-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/decrement.json", "name": "decrement", "slug": "JavaScript/Reference/Operators/Decrement", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Decrement", "summary": "The decrement (--) operator decrements (subtracts one from) its operand and returns the value before or after the decrement, depending on where the operator is placed.", "support": { "chrome": { "version_added": "2" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Decrement (--)" } ], "sec-delete-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/delete.json", "name": "delete", "slug": "JavaScript/Reference/Operators/delete", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/delete", "summary": "The delete operator removes a property from an object. If the property's value is an object and there are no more references to the object, the object held by that property is eventually released automatically.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "delete operator" } ], "sec-destructuring-assignment": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/destructuring.json", "name": "destructuring", "slug": "JavaScript/Reference/Operators/Destructuring_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment", "summary": "The destructuring assignment syntax is a JavaScript expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "41", "notes": "Firefox provided a non-standard destructuring implementation from Firefox 2 to 40." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Destructuring assignment" } ], "sec-destructuring-binding-patterns": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/destructuring.json", "name": "destructuring", "slug": "JavaScript/Reference/Operators/Destructuring_assignment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment", "summary": "The destructuring assignment syntax is a JavaScript expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "41", "notes": "Firefox provided a non-standard destructuring implementation from Firefox 2 to 40." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Destructuring assignment" } ], "sec-multiplicative-operators": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/division.json", "name": "division", "slug": "JavaScript/Reference/Operators/Division", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Division", "summary": "The division (/) operator produces the quotient of its operands where the left operand is the dividend and the right operand is the divisor.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Division (/)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/multiplication.json", "name": "multiplication", "slug": "JavaScript/Reference/Operators/Multiplication", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Multiplication", "summary": "The multiplication (*) operator produces the product of the operands.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Multiplication (*)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/remainder.json", "name": "remainder", "slug": "JavaScript/Reference/Operators/Remainder", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Remainder", "summary": "The remainder (%) operator returns the remainder left over when one operand is divided by a second operand. It always takes the sign of the dividend.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Remainder (%)" } ], "sec-equality-operators": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/equality.json", "name": "equality", "slug": "JavaScript/Reference/Operators/Equality", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Equality", "summary": "The equality (==) operator checks whether its two operands are equal, returning a Boolean result. Unlike the strict equality operator, it attempts to convert and compare operands that are of different types.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Equality (==)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/inequality.json", "name": "inequality", "slug": "JavaScript/Reference/Operators/Inequality", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Inequality", "summary": "The inequality (!=) operator checks whether its two operands are not equal, returning a Boolean result. Unlike the strict inequality operator, it attempts to convert and compare operands that are of different types.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Inequality (!=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/strict_equality.json", "name": "strict_equality", "slug": "JavaScript/Reference/Operators/Strict_equality", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_equality", "summary": "The strict equality (===) operator checks whether its two operands are equal, returning a Boolean result. Unlike the equality operator, the strict equality operator always considers operands of different types to be different.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Strict equality (===)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/strict_inequality.json", "name": "strict_inequality", "slug": "JavaScript/Reference/Operators/Strict_inequality", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Strict_inequality", "summary": "The strict inequality (!==) operator checks whether its two operands are not equal, returning a Boolean result. Unlike the inequality operator, the strict inequality operator always considers operands of different types to be different.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Strict inequality (!==)" } ], "sec-exp-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/exponentiation.json", "name": "exponentiation", "slug": "JavaScript/Reference/Operators/Exponentiation", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Exponentiation", "summary": "The exponentiation (**) operator returns the result of raising the first operand to the power of the second operand. It is equivalent to Math.pow(), except it also accepts BigInts as operands.", "support": { "chrome": { "version_added": "52" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "52" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "7.0.0" }, { "version_added": "6.5.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "51" }, "edge_blink": { "version_added": "79" } }, "title": "Exponentiation (**)" } ], "sec-generator-function-definitions": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/generator_function.json", "name": "generator_function", "slug": "JavaScript/Reference/Operators/function*", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/function*", "summary": "The function* keyword can be used to define a generator function inside an expression.", "support": { "chrome": { "version_added": "49" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "4.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "es6-generators", "title": "ES6 Generators" }, "title": "function* expression" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "generator_function", "slug": "JavaScript/Reference/Statements/function*", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*", "summary": "The function* declaration creates a binding of a new generator function to a given name. A generator function can be exited and later re-entered, with its context (variable bindings) saved across re-entrances.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "26" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "es6-generators", "title": "ES6 Generators" }, "title": "function*" } ], "sec-relational-operators": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/greater_than.json", "name": "greater_than", "slug": "JavaScript/Reference/Operators/Greater_than", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Greater_than", "summary": "The greater than (>) operator returns true if the left operand is greater than the right operand, and false otherwise.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Greater than (>)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/greater_than_or_equal.json", "name": "greater_than_or_equal", "slug": "JavaScript/Reference/Operators/Greater_than_or_equal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Greater_than_or_equal", "summary": "The greater than or equal (>=) operator returns true if the left operand is greater than or equal to the right operand, and false otherwise.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Greater than or equal (>=)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/in.json", "name": "in", "slug": "JavaScript/Reference/Operators/in", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/in", "summary": "The in operator returns true if the specified property is in the specified object or its prototype chain.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "in operator" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/instanceof.json", "name": "instanceof", "slug": "JavaScript/Reference/Operators/instanceof", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/instanceof", "summary": "The instanceof operator tests to see if the prototype property of a constructor appears anywhere in the prototype chain of an object. The return value is a boolean value. Its behavior can be customized with Symbol.hasInstance.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "instanceof" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/less_than.json", "name": "less_than", "slug": "JavaScript/Reference/Operators/Less_than", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Less_than", "summary": "The less than (<) operator returns true if the left operand is less than the right operand, and false otherwise.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Less than (<)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/less_than_or_equal.json", "name": "less_than_or_equal", "slug": "JavaScript/Reference/Operators/Less_than_or_equal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Less_than_or_equal", "summary": "The less than or equal (<=) operator returns true if the left operand is less than or equal to the right operand, and false otherwise.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Less than or equal (<=)" } ], "sec-grouping-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/grouping.json", "name": "grouping", "slug": "JavaScript/Reference/Operators/Grouping", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Grouping", "summary": "The grouping ( ) operator controls the precedence of evaluation in expressions. It also acts as a container for arbitrary expressions in certain syntactic constructs, where ambiguity or syntax errors would otherwise occur.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Grouping operator ( )" } ], "sec-import-calls": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/import.json", "name": "import", "slug": "JavaScript/Reference/Operators/Import", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Import", "summary": "The import() syntax, commonly called dynamic import, is a function-like expression that allows loading an ECMAScript module asynchronously and dynamically into a potentially non-module environment.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0", "notes": "Bundled Deno applications (using `deno compile`) do not support dynamic imports" }, "edge": "mirror", "firefox": { "version_added": "67" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "13.2.0", "notes": "Dynamic import can be used in either CommonJS or ES module files, to import either CommonJS or ES module files. See Node's ECMAScript Modules documentation for more details." }, { "version_added": "12.0.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Dynamic import can be used in either CommonJS or ES module files, to import either CommonJS or ES module files. See Node's ECMAScript Modules documentation for more details." } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "es6-module-dynamic-import", "title": "JavaScript modules: dynamic import()" }, "title": "import()" } ], "prod-ImportMeta": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/import_meta.json", "name": "import_meta", "slug": "JavaScript/Reference/Operators/import.meta", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import.meta", "summary": "The import.meta meta-property exposes context-specific metadata to a JavaScript module. It contains information about the module, such as the module's URL.", "support": { "chrome": { "version_added": "64" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "62" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "10.4.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": { "version_added": "12" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "import.meta" } ], "sec-postfix-increment-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/increment.json", "name": "increment", "slug": "JavaScript/Reference/Operators/Increment", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Increment", "summary": "The increment (++) operator increments (adds one to) its operand and returns the value before or after the increment, depending on where the operator is placed.", "support": { "chrome": { "version_added": "2" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Increment (++)" } ], "sec-left-shift-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/left_shift.json", "name": "left_shift", "slug": "JavaScript/Reference/Operators/Left_shift", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Left_shift", "summary": "The left shift (<<) operator returns a number or BigInt whose binary representation is the first operand shifted by the specified number of bits to the left. Excess bits shifted off to the left are discarded, and zero bits are shifted in from the right.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Left shift (<<)" } ], "prod-LogicalANDExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/logical_and.json", "name": "logical_and", "slug": "JavaScript/Reference/Operators/Logical_AND", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_AND", "summary": "The logical AND (&&) (logical conjunction) operator for a set of boolean operands will be true if and only if all the operands are true. Otherwise it will be false.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Logical AND (&&)" } ], "sec-logical-not-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/logical_not.json", "name": "logical_not", "slug": "JavaScript/Reference/Operators/Logical_NOT", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_NOT", "summary": "The logical NOT (!) (logical complement, negation) operator takes truth to falsity and vice versa. It is typically used with boolean (logical) values. When used with non-Boolean values, it returns false if its single operand can be converted to true; otherwise, returns true.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Logical NOT (!)" } ], "prod-LogicalORExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/logical_or.json", "name": "logical_or", "slug": "JavaScript/Reference/Operators/Logical_OR", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Logical_OR", "summary": "The logical OR (||) (logical disjunction) operator for a set of operands is true if and only if one or more of its operands is true. It is typically used with boolean (logical) values. When it is, it returns a Boolean value. However, the || operator actually returns the value of one of the specified operands, so if this operator is used with non-Boolean values, it will return a non-Boolean value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Logical OR (||)" } ], "sec-new-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/new.json", "name": "new", "slug": "JavaScript/Reference/Operators/new", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/new", "summary": "The new operator lets developers create an instance of a user-defined object type or of one of the built-in object types that has a constructor function.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "new operator" } ], "sec-built-in-function-objects": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/new_target.json", "name": "new_target", "slug": "JavaScript/Reference/Operators/new.target", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/new.target", "summary": "The new.target meta-property lets you detect whether a function or constructor was called using the new operator. In constructors and functions invoked using the new operator, new.target returns a reference to the constructor or function that new was called upon. In normal function calls, new.target is undefined.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "41" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "5.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "new.target" } ], "sec-null-value": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/null.json", "name": "null", "slug": "JavaScript/Reference/Operators/null", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/null", "summary": "The null value represents the intentional absence of any object value. It is one of JavaScript's primitive values and is treated as falsy for boolean operations.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "null" } ], "prod-CoalesceExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/nullish_coalescing.json", "name": "nullish_coalescing", "slug": "JavaScript/Reference/Operators/Nullish_coalescing_operator", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator", "summary": "The nullish coalescing (??) operator is a logical operator that returns its right-hand side operand when its left-hand side operand is null or undefined, and otherwise returns its left-hand side operand.", "support": { "chrome": { "version_added": "80" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "72" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "14.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "80" } }, "title": "Nullish coalescing operator (??)" } ], "sec-object-initializer": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/object_initializer.json", "name": "object_initializer", "slug": "JavaScript/Reference/Operators/Object_initializer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Object_initializer", "summary": "An object initializer is a comma-delimited list of zero or more pairs of property names and associated values of an object, enclosed in curly braces ({}). Objects can also be initialized using Object.create() or by invoking a constructor function with the new operator.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "1" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Object initializer" } ], "prod-OptionalExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/optional_chaining.json", "name": "optional_chaining", "slug": "JavaScript/Reference/Operators/Optional_chaining", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining", "summary": "The optional chaining (?.) operator accesses an object's property or calls a function. If the object accessed or function called using this operator is undefined or null, the expression short circuits and evaluates to undefined instead of throwing an error.", "support": { "chrome": { "version_added": "80" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "74" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "14.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "13.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "80" } }, "title": "Optional chaining (?.)" } ], "sec-property-accessors": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/property_accessors.json", "name": "property_accessors", "slug": "JavaScript/Reference/Operators/Property_Accessors", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Property_Accessors", "summary": "Property accessors provide access to an object's properties by using the dot notation or the bracket notation.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Property accessors" } ], "sec-signed-right-shift-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/right_shift.json", "name": "right_shift", "slug": "JavaScript/Reference/Operators/Right_shift", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Right_shift", "summary": "The right shift (>>) operator returns a number or BigInt whose binary representation is the first operand shifted by the specified number of bits to the right. Excess bits shifted off to the right are discarded, and copies of the leftmost bit are shifted in from the left. This operation is also called \"sign-propagating right shift\" or \"arithmetic right shift\", because the sign of the resulting number is the same as the sign of the first operand.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Right shift (>>)" } ], "prod-SpreadElement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/spread.json", "name": "spread_in_arrays", "slug": "JavaScript/Reference/Operators/Spread_syntax#Spread_in_array_literals", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax#Spread_in_array_literals", "summary": "The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "5.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": { "version_added": "37" }, "opera_android": { "version_added": "37" }, "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Spread syntax (...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/spread.json", "name": "spread", "slug": "JavaScript/Reference/Operators/Spread_syntax", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax", "summary": "The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "5.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": { "version_added": "37" }, "opera_android": { "version_added": "37" }, "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Spread syntax (...)" } ], "prod-ArgumentList": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/spread.json", "name": "spread_in_function_calls", "slug": "JavaScript/Reference/Operators/Spread_syntax#Spread_in_function_calls", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax#Spread_in_function_calls", "summary": "The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "edge": { "version_added": "12" }, "firefox": { "version_added": "27" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "5.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": { "version_added": "37" }, "opera_android": { "version_added": "37" }, "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Spread syntax (...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/spread.json", "name": "spread", "slug": "JavaScript/Reference/Operators/Spread_syntax", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax", "summary": "The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "5.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": { "version_added": "37" }, "opera_android": { "version_added": "37" }, "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Spread syntax (...)" } ], "prod-PropertyDefinition": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/spread.json", "name": "spread_in_object_literals", "slug": "JavaScript/Reference/Operators/Spread_syntax#Spread_in_object_literals", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax#Spread_in_object_literals", "summary": "The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.", "support": { "chrome": { "version_added": "60" }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "55" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "8.3.0" }, { "version_added": "8.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": { "version_added": "8.2" }, "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Spread syntax (...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/spread.json", "name": "spread", "slug": "JavaScript/Reference/Operators/Spread_syntax", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Spread_syntax", "summary": "The spread (...) syntax allows an iterable, such as an array or string, to be expanded in places where zero or more arguments (for function calls) or elements (for array literals) are expected. In an object literal, the spread syntax enumerates the properties of an object and adds the key-value pairs to the object being created.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "5.0.0" }, { "version_added": "4.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": { "version_added": "37" }, "opera_android": { "version_added": "37" }, "safari": { "version_added": "8" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Spread syntax (...)" } ], "sec-subtraction-operator-minus": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/subtraction.json", "name": "subtraction", "slug": "JavaScript/Reference/Operators/Subtraction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Subtraction", "summary": "The subtraction (-) operator subtracts the two operands, producing their difference.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Subtraction (-)" } ], "sec-super-keyword": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/super.json", "name": "super", "slug": "JavaScript/Reference/Operators/super", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/super", "summary": "The super keyword is used to access properties on an object literal or class's [[Prototype]], or invoke a superclass's constructor.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "45" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "super" } ], "sec-this-keyword": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/this.json", "name": "this", "slug": "JavaScript/Reference/Operators/this", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/this", "summary": "A function's this keyword behaves a little differently in JavaScript compared to other languages. It also has some differences between strict mode and non-strict mode.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "9.5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "this" } ], "sec-typeof-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/typeof.json", "name": "typeof", "slug": "JavaScript/Reference/Operators/typeof", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/typeof", "summary": "The typeof operator returns a string indicating the type of the operand's value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "typeof" } ], "sec-unary-minus-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/unary_negation.json", "name": "unary_negation", "slug": "JavaScript/Reference/Operators/Unary_negation", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Unary_negation", "summary": "The unary negation (-) operator precedes its operand and negates it.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Unary negation (-)" } ], "sec-unary-plus-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/unary_plus.json", "name": "unary_plus", "slug": "JavaScript/Reference/Operators/Unary_plus", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Unary_plus", "summary": "The unary plus (+) operator precedes its operand and evaluates to its operand but attempts to convert it into a number, if it isn't already.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Unary plus (+)" } ], "sec-unsigned-right-shift-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/unsigned_right_shift.json", "name": "unsigned_right_shift", "slug": "JavaScript/Reference/Operators/Unsigned_right_shift", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Unsigned_right_shift", "summary": "The unsigned right shift (>>>) operator returns a number whose binary representation is the first operand shifted by the specified number of bits to the right. Excess bits shifted off to the right are discarded, and zero bits are shifted in from the left. This operation is also called \"zero-filling right shift\", because the sign bit becomes 0, so the resulting number is always positive. Unsigned right shift does not accept BigInt values.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Unsigned right shift (>>>)" } ], "sec-void-operator": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/void.json", "name": "void", "slug": "JavaScript/Reference/Operators/void", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/void", "summary": "The void operator evaluates the given expression and then returns undefined.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "3.1" }, "safari_ios": { "version_added": "3" }, "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "void operator" } ], "prod-YieldExpression": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/yield.json", "name": "yield", "slug": "JavaScript/Reference/Operators/yield", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/yield", "summary": "The yield operator is used to pause and resume a generator function.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "26", "notes": [ "Starting with Firefox 33, the parsing of the yield expression has been updated to conform with the ES2015 specification.", "Starting with Firefox 29, an IteratorResult object returned for completed generator function." ] }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "yield" } ], "sec-generator-function-definitions-runtime-semantics-evaluation": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/operators/yield_star.json", "name": "yield_star", "slug": "JavaScript/Reference/Operators/yield*", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/yield*", "summary": "The yield* operator is used to delegate to another iterable object, such as a Generator.", "support": { "chrome": { "version_added": "39" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "27", "notes": "Starting with Firefox 33, the parsing of the yield expression has been updated to conform with the ES2015 specification." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "4.0.0" }, { "version_added": "0.12.0", "flags": [ { "type": "runtime_flag", "name": "--harmony" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "yield*" } ], "prod-DecimalEscape": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "backreference", "slug": "JavaScript/Reference/Regular_expressions/Backreference", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Backreference", "summary": "A backreference refers to the submatch of a previous capturing group and matches the same text as that group. For named capturing groups, you may prefer to use the named backreference syntax.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Backreference: \\1, \\2" } ], "prod-Atom": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "capturing_group", "slug": "JavaScript/Reference/Regular_expressions/Capturing_group", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Capturing_group", "summary": "A capturing group groups a subpattern, allowing you to apply a quantifier to the entire group or use disjunctions within it. It memorizes information about the subpattern match, so that you can refer back to it later with a backreference, or access the information through the match results.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Capturing group: (...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "named_capturing_group", "slug": "JavaScript/Reference/Regular_expressions/Named_capturing_group", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Named_capturing_group", "summary": "A named capturing group is a particular kind of capturing group that allows to give a name to the group. The group's matching result can later be identified by this name instead of by its index in the pattern.", "support": { "chrome": { "version_added": "64" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.3.0", "flags": [ { "name": "--harmony", "type": "runtime_flag" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Named capturing group: (?...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "non_capturing_group", "slug": "JavaScript/Reference/Regular_expressions/Non-capturing_group", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Non-capturing_group", "summary": "A non-capturing group groups a subpattern, allowing you to apply a quantifier to the entire group or use disjunctions within it. It acts like the grouping operator in JavaScript expressions, and unlike capturing groups, it does not memorize the matched text, allowing for better performance and avoiding confusion when the pattern also contains useful capturing groups.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Non-capturing group: (?:...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "wildcard", "slug": "JavaScript/Reference/Regular_expressions/Wildcard", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Wildcard", "summary": "A wildcard matches all characters except line terminators. It also matches line terminators if the s flag is set.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Wildcard: ." } ], "prod-CharacterClass": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "character_class", "slug": "JavaScript/Reference/Regular_expressions/Character_class", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_class", "summary": "A character class matches any character in or not in a custom set of characters. When the v flag is enabled, it can also be used to match finite-length strings.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Character class: [...], [^...]" } ], "prod-CharacterClassEscape": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "character_class_escape", "slug": "JavaScript/Reference/Regular_expressions/Character_class_escape", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_class_escape", "summary": "A character class escape is an escape sequence that represents a set of characters.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Character class escape: \\d, \\D, \\w, \\W, \\s, \\S" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "unicode_character_class_escape", "slug": "JavaScript/Reference/Regular_expressions/Unicode_character_class_escape", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Unicode_character_class_escape", "summary": "A unicode character class escape is a kind of character class escape that matches a set of characters specified by a Unicode property. It's only supported in Unicode-aware mode. When the v flag is enabled, it can also be used to match finite-length strings.", "support": { "chrome": { "version_added": "64" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.3.0", "flags": [ { "name": "--harmony", "type": "runtime_flag" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Unicode character class escape: \\p{...}, \\P{...}" } ], "prod-CharacterEscape": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "character_escape", "slug": "JavaScript/Reference/Regular_expressions/Character_escape", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Character_escape", "summary": "A character escape represents a character that may not be able to be conveniently represented in its literal form.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Character escape: \\n, \\u{...}" } ], "prod-Disjunction": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "disjunction", "slug": "JavaScript/Reference/Regular_expressions/Disjunction", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Disjunction", "summary": "A disjunction specifies multiple alternatives. Any alternative matching the input causes the entire disjunction to be matched.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Disjunction: |" } ], "prod-Assertion": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "input_boundary_assertion", "slug": "JavaScript/Reference/Regular_expressions/Input_boundary_assertion", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Input_boundary_assertion", "summary": "An input boundary assertion checks if the current position in the string is an input boundary. An input boundary is the start or end of the string; or, if the m flag is set, the start or end of a line.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Input boundary assertion: ^, $" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "lookahead_assertion", "slug": "JavaScript/Reference/Regular_expressions/Lookahead_assertion", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Lookahead_assertion", "summary": "A lookahead assertion \"looks ahead\": it attempts to match the subsequent input with the given pattern, but it does not consume any of the input — if the match is successful, the current position in the input stays the same.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lookahead assertion: (?=...), (?!...)" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "lookbehind_assertion", "slug": "JavaScript/Reference/Regular_expressions/Lookbehind_assertion", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Lookbehind_assertion", "summary": "A lookbehind assertion \"looks behind\": it attempts to match the previous input with the given pattern, but it does not consume any of the input — if the match is successful, the current position in the input stays the same. It matches each atom in its pattern in the reverse order.", "support": { "chrome": { "version_added": "62" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "78" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "8.10.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "16.4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Lookbehind assertion: (?<=...), (?" } ], "prod-Quantifier": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/regular_expressions.json", "name": "quantifier", "slug": "JavaScript/Reference/Regular_expressions/Quantifier", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Regular_expressions/Quantifier", "summary": "A quantifier repeats an atom a certain number of times. The quantifier is placed after the atom it applies to.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "5" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Quantifier: *, +, ?, {n}, {n,}, {n,m}" } ], "sec-block": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "block", "slug": "JavaScript/Reference/Statements/block", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/block", "summary": "A block statement is used to group zero or more statements. The block is delimited by a pair of braces (\"curly brackets\") and contains a list of zero or more statements and declarations.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "block" } ], "sec-break-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "break", "slug": "JavaScript/Reference/Statements/break", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/break", "summary": "The break statement terminates the current loop or switch statement and transfers program control to the statement following the terminated statement. It can also be used to jump past a labeled statement when used within that labeled statement.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "break" } ], "sec-let-and-const-declarations": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "const", "slug": "JavaScript/Reference/Statements/const", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const", "summary": "The const declaration declares block-scoped local variables. The value of a constant can't be changed through reassignment using the assignment operator, but if a constant is an object, its properties can be added, updated, or removed.", "support": { "chrome": { "version_added": "21" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "36", "notes": [ "Before Firefox 13, const is implemented, but re-assignment is not failing.", "Before Firefox 46, a TypeError was thrown on redeclaration instead of a SyntaxError." ] }, "firefox_android": "mirror", "ie": { "version_added": "11" }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": { "version_added": "9" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "5.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "caniuse": { "feature": "let", "title": "let" }, "title": "const" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "let", "slug": "JavaScript/Reference/Statements/let", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let", "summary": "The let declaration declares re-assignable, block-scoped local variables, optionally initializing each to a value.", "support": { "chrome": [ { "version_added": "49" }, { "version_added": "41", "version_removed": "49", "partial_implementation": true, "notes": "Strict mode is required." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "44", "notes": [ "Before Firefox 44, let is only available to code blocks in HTML wrapped in a <script type=\"application/javascript;version=1.7\"> block (or higher version) and has different semantics (e.g. no temporal dead zone).", "Before Firefox 46, a TypeError is thrown on redeclaration instead of a SyntaxError.", "Firefox 54 adds support of let in workers." ] }, "firefox_android": "mirror", "ie": { "version_added": "11", "partial_implementation": true, "notes": "In Internet Explorer, let within a for loop initializer does not create a separate variable for each loop iteration as defined by ES2015. Instead, it behaves as though the loop were wrapped in a scoping block with the let immediately before the loop." }, "nodejs": { "version_added": "6.0.0" }, "oculus": "mirror", "opera": { "version_added": "17" }, "opera_android": { "version_added": "18" }, "safari": { "version_added": "10" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_added": false, "version_removed": "49", "partial_implementation": true, "notes": "Strict mode is required." } ] }, "caniuse": { "feature": "let", "title": "let" }, "title": "let" } ], "sec-continue-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "continue", "slug": "JavaScript/Reference/Statements/continue", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/continue", "summary": "The continue statement terminates execution of the statements in the current iteration of the current or labeled loop, and continues execution of the loop with the next iteration.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "continue" } ], "sec-debugger-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "debugger", "slug": "JavaScript/Reference/Statements/debugger", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/debugger", "summary": "The debugger statement invokes any available debugging functionality, such as setting a breakpoint. If no debugging functionality is available, this statement has no effect.", "support": { "chrome": { "version_added": "5" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "10" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "5" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "debugger" } ], "sec-do-while-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "do_while", "slug": "JavaScript/Reference/Statements/do...while", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/do...while", "summary": "The do...while statement creates a loop that executes a specified statement until the test condition evaluates to false. The condition is evaluated after executing the statement, resulting in the specified statement executing at least once.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "do...while" } ], "sec-empty-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "empty", "slug": "JavaScript/Reference/Statements/Empty", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/Empty", "summary": "An empty statement is used to provide no statement, although the JavaScript syntax would expect one.", "support": { "chrome": { "version_added": "3" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "5" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "empty" } ], "sec-exports": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "default", "slug": "JavaScript/Reference/Statements/export", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export", "summary": "The export declaration is used to export values from a JavaScript module. Exported values can then be imported into other programs with the import declaration or dynamic import. The value of an imported binding is subject to change in the module that exports it — when a module updates the value of a binding that it exports, the update will be visible in its imported value.", "support": { "chrome": { "version_added": "61" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "13.2.0", "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "12.0.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "8.5.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Module filenames must end with .mjs, not .js. See Node's ECMAScript Modules documentation for more details." } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "title": "export" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "namespace", "slug": "JavaScript/Reference/Statements/export", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export", "summary": "The export declaration is used to export values from a JavaScript module. Exported values can then be imported into other programs with the import declaration or dynamic import. The value of an imported binding is subject to change in the module that exports it — when a module updates the value of a binding that it exports, the update will be visible in its imported value.", "support": { "chrome": { "version_added": "72" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "80" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "13.2.0", "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "12.0.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "14.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": false }, "edge_blink": { "version_added": "79" } }, "title": "export" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "export", "slug": "JavaScript/Reference/Statements/export", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/export", "summary": "The export declaration is used to export values from a JavaScript module. Exported values can then be imported into other programs with the import declaration or dynamic import. The value of an imported binding is subject to change in the module that exports it — when a module updates the value of a binding that it exports, the update will be visible in its imported value.", "support": { "chrome": { "version_added": "61" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "13.2.0", "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "12.0.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "8.5.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Module filenames must end with .mjs, not .js. See Node's ECMAScript Modules documentation for more details." } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "export" } ], "sec-for-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "for", "slug": "JavaScript/Reference/Statements/for", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for", "summary": "The for statement creates a loop that consists of three optional expressions, enclosed in parentheses and separated by semicolons, followed by a statement (usually a block statement) to be executed in the loop.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "for" } ], "sec-for-in-and-for-of-statements": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "for_await_of", "slug": "JavaScript/Reference/Statements/for-await...of", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for-await...of", "summary": "The for await...of statement creates a loop iterating over async iterable objects as well as sync iterables. This statement can only be used in contexts where await can be used, which includes inside an async function body and in a module.", "support": { "chrome": { "version_added": "63" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "57" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "8.10.0", "version_removed": "10.0.0", "flags": [ { "type": "runtime_flag", "name": "--harmony-async-iteration" } ] } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "for await...of" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "for_in", "slug": "JavaScript/Reference/Statements/for...in", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...in", "summary": "The for...in statement iterates over all enumerable string properties of an object (ignoring properties keyed by symbols), including inherited enumerable properties.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "2" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "for...in" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "for_of", "slug": "JavaScript/Reference/Statements/for...of", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for...of", "summary": "The for...of statement executes a loop that operates on a sequence of values sourced from an iterable object. Iterable objects include instances of built-ins such as Array, String, TypedArray, Map, Set, NodeList (and other DOM collections), as well as the arguments object, generators produced by generator functions, and user-defined iterables.", "support": { "chrome": { "version_added": "38" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "13", "notes": "Before Firefox 51, using the for...of loop construct with the const keyword threw a SyntaxError (\"missing = in const declaration\")." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "0.12.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "7" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "for...of" } ], "sec-if-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "if_else", "slug": "JavaScript/Reference/Statements/if...else", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/if...else", "summary": "The if...else statement executes a statement if a specified condition is truthy. If the condition is falsy, another statement in the optional else clause will be executed.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "if...else" } ], "sec-imports": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "import", "slug": "JavaScript/Reference/Statements/import", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/import", "summary": "The static import declaration is used to import read-only live bindings which are exported by another module. The imported bindings are called live bindings because they are updated by the module that exported the binding, but cannot be re-assigned by the importing module.", "support": { "chrome": { "version_added": "61" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "60" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "13.2.0", "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "12.0.0", "version_removed": "13.2.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Modules must either have a filename ending in .mjs, or the nearest parent package.json file must contain \"type\": \"module\". See Node's ECMAScript Modules documentation for more details." }, { "version_added": "8.5.0", "version_removed": "12.0.0", "flags": [ { "name": "--experimental-modules", "type": "runtime_flag" } ], "notes": "Module filenames must end with .mjs, not .js. See Node's ECMAScript Modules documentation for more details." } ], "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "import" } ], "sec-labelled-statements": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "label", "slug": "JavaScript/Reference/Statements/label", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/label", "summary": "A labeled statement is any statement that is prefixed with an identifier. You can jump to this label using a break or continue statement nested within the labeled statement.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "label" } ], "sec-return-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "return", "slug": "JavaScript/Reference/Statements/return", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/return", "summary": "The return statement ends function execution and specifies a value to be returned to the function caller.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "return" } ], "sec-switch-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "switch", "slug": "JavaScript/Reference/Statements/switch", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/switch", "summary": "The switch statement evaluates an expression, matching the expression's value against a series of case clauses, and executes statements after the first case clause with a matching value, until a break statement is encountered. The default clause of a switch statement will be jumped to if no case matches the expression's value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "switch" } ], "sec-throw-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "throw", "slug": "JavaScript/Reference/Statements/throw", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/throw", "summary": "The throw statement throws a user-defined exception. Execution of the current function will stop (the statements after throw won't be executed), and control will be passed to the first catch block in the call stack. If no catch block exists among caller functions, the program will terminate.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "throw" } ], "sec-try-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "try_catch", "slug": "JavaScript/Reference/Statements/try...catch", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/try...catch", "summary": "The try...catch statement is comprised of a try block and either a catch block, a finally block, or both. The code in the try block is executed first, and if it throws an exception, the code in the catch block will be executed. The code in the finally block will always be executed before control flow exits the entire construct.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "5" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "try...catch" } ], "sec-variable-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "var", "slug": "JavaScript/Reference/Statements/var", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/var", "summary": "The var statement declares function-scoped or globally-scoped variables, optionally initializing each to a value.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "var" } ], "sec-while-statement": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "javascript/statements.json", "name": "while", "slug": "JavaScript/Reference/Statements/while", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/while", "summary": "The while statement creates a loop that executes a specified statement as long as the test condition evaluates to true. The condition is evaluated before executing the statement.", "support": { "chrome": { "version_added": "1" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": "mirror", "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.10.0" }, "oculus": "mirror", "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "while" } ] }