{ "ref-for-dom-headers①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "Headers", "slug": "API/Headers/Headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/Headers", "summary": "The Headers() constructor creates a new Headers object.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "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" } }, "title": "Headers: Headers() constructor" } ], "ref-for-dom-headers-append①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "append", "slug": "API/Headers/append", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/append", "summary": "The append() method of the Headers interface appends a new value onto an existing header inside a Headers object, or adds the header if it does not already exist.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "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" } }, "title": "Headers: append() method" } ], "ref-for-dom-headers-delete①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "delete", "slug": "API/Headers/delete", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/delete", "summary": "The delete() method of the Headers interface deletes a header from the current Headers object.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "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" } }, "title": "Headers: delete() method" } ], "ref-for-dom-headers-get①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "get", "slug": "API/Headers/get", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/get", "summary": "The get() method of the Headers interface returns a byte string of all the values of a header within a Headers object with a given name. If the requested header doesn't exist in the Headers object, it returns null.", "support": { "chrome": { "version_added": "42", "notes": "Before version 57, get() returns only the first value for the specified header." }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39", "notes": "Before version 52, get() returns only the first value for the specified header." }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "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", "notes": "Before version 57, get() returns only the first value for the specified header." } }, "title": "Headers: get() method" } ], "dom-headers-getsetcookie": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "getSetCookie", "slug": "API/Headers/getSetCookie", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/getSetCookie", "summary": "The getSetCookie() method of the Headers interface returns an array containing the values of all Set-Cookie headers associated with a response. This allows Headers objects to handle having multiple Set-Cookie headers, which wasn't possible prior to its implementation.", "support": { "chrome": { "version_added": "113" }, "chrome_android": "mirror", "deno": { "version_added": "1.35" }, "edge": "mirror", "firefox": { "version_added": "112" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "19.7.0" }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "17" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "113" } }, "title": "Headers: getSetCookie() method" } ], "ref-for-dom-headers-has①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "has", "slug": "API/Headers/has", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/has", "summary": "The has() method of the Headers interface returns a boolean stating whether a Headers object contains a certain header.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "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" } }, "title": "Headers: has() method" } ], "ref-for-dom-headers-set①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "set", "slug": "API/Headers/set", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers/set", "summary": "The set() method of the Headers interface sets a new value for an existing header inside a Headers object, or adds the header if it does not already exist.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": { "version_added": "18.0.0" }, "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" } }, "title": "Headers: set() method" } ], "headers-class": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Headers.json", "name": "Headers", "slug": "API/Headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Headers", "summary": "The Headers interface of the Fetch API allows you to perform various actions on HTTP request and response headers. These actions include retrieving, setting, adding to, and removing headers from the list of the request's headers.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "18.0.0" }, { "version_added": "17.5.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] }, { "version_added": "16.15.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] } ], "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": "Headers" } ], "ref-for-dom-request①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "Request", "slug": "API/Request/Request", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/Request", "summary": "The Request() constructor creates a new Request object.", "support": { "chrome": { "version_added": "40", "notes": "From Chrome 47, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual)." }, "chrome_android": "mirror", "deno": { "version_added": "1.0", "notes": "Fetching with a \"manual\" redirect mode does not result in a \"opaqueredirect\" response, but a regular response." }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": { "version_added": "27" }, "opera_android": { "version_added": "27" }, "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79", "notes": "From Chrome 47, default values for the init argument's properties changed. mode defaults to same-origin (from no-cors). credentials defaults to include (from same-origin). redirect defaults to follow (from manual)." } }, "title": "Request: Request() constructor" } ], "ref-for-dom-body-arraybuffer①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "arrayBuffer", "slug": "API/Request/arrayBuffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/arrayBuffer", "summary": "The arrayBuffer() method of the Request interface reads the request body and returns it as a promise that resolves with an ArrayBuffer.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: arrayBuffer() method" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "arrayBuffer", "slug": "API/Response/arrayBuffer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/arrayBuffer", "summary": "The arrayBuffer() method of the Response interface takes a Response stream and reads it to completion. It returns a promise that resolves with an ArrayBuffer.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: arrayBuffer() method" } ], "ref-for-dom-body-blob①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "blob", "slug": "API/Request/blob", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/blob", "summary": "The blob() method of the Request interface reads the request body and returns it as a promise that resolves with a Blob.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: blob() method" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "blob", "slug": "API/Response/blob", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/blob", "summary": "The blob() method of the Response interface takes a Response stream and reads it to completion. It returns a promise that resolves with a Blob.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: blob() method" } ], "ref-for-dom-body-body①": [ { "engines": [ "blink", "webkit" ], "filename": "api/Request.json", "name": "body", "slug": "API/Request/body", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/body", "summary": "The read-only body property of the Request interface contains a ReadableStream with the body contents that have been added to the request. Note that a request using the GET or HEAD method cannot have a body and null is returned in these cases.", "support": { "chrome": { "version_added": "105", "impl_url": "https://crbug.com/688906" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": false, "notes": "See bug 1387483." }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "105", "impl_url": "https://crbug.com/688906" } }, "title": "Request: body property" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "body", "slug": "API/Response/body", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/body", "summary": "The body read-only property of the Response interface is a ReadableStream of the body contents.", "support": { "chrome": { "version_added": "43" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "65" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: body property" } ], "ref-for-dom-body-bodyused①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "bodyUsed", "slug": "API/Request/bodyUsed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/bodyUsed", "summary": "The read-only bodyUsed property of the Request interface is a boolean value that indicates whether the request body has been read yet.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: bodyUsed property" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "bodyUsed", "slug": "API/Response/bodyUsed", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/bodyUsed", "summary": "The bodyUsed read-only property of the Response interface is a boolean value that indicates whether the body has been read yet.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: bodyUsed property" } ], "ref-for-dom-request-cache②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "cache", "slug": "API/Request/cache", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/cache", "summary": "The cache read-only property of the Request interface contains the cache mode of the request. It controls how the request will interact with the browser's HTTP cache.", "support": { "chrome": { "version_added": "64" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": { "version_added": "14" }, "firefox": { "version_added": "48" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: cache property" } ], "ref-for-dom-request-clone①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "clone", "slug": "API/Request/clone", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/clone", "summary": "The clone() method of the Request interface creates a copy of the current Request object.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: clone() method" } ], "ref-for-dom-request-credentials②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "credentials", "slug": "API/Request/credentials", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/credentials", "summary": "The credentials read-only property of the Request interface indicates whether the user agent should send or receive cookies from the other domain in the case of cross-origin requests.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: credentials property" } ], "ref-for-dom-request-destination①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "destination", "slug": "API/Request/destination", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/destination", "summary": "The destination read-only property of the Request interface returns a string describing the type of content being requested.", "support": { "chrome": { "version_added": "65" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": { "version_added": "14" }, "firefox": { "version_added": "61" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: destination property" } ], "ref-for-dom-body-formdata①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "formData", "slug": "API/Request/formData", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/formData", "summary": "The formData() method of the Request interface reads the request body and returns it as a promise that resolves with a FormData object.", "support": { "chrome": { "version_added": "60" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": [ { "version_added": "14.1" }, { "version_added": "11.1", "partial_implementation": true, "notes": "The method exists but always rejects with NotSupportedError. See bug 215671." } ], "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Request: formData() method" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "formData", "slug": "API/Response/formData", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/formData", "summary": "The formData() method of the Response interface takes a Response stream and reads it to completion. It returns a promise that resolves with a FormData object.", "support": { "chrome": { "version_added": "60" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": "mirror", "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": [ { "version_added": "14.1" }, { "version_added": "10.1", "partial_implementation": true, "notes": "The method exists but always rejects with NotSupportedError. See bug 215671." } ], "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Response: formData() method" } ], "ref-for-dom-request-headers②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "headers", "slug": "API/Request/headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/headers", "summary": "The headers read-only property of the Request interface contains the Headers object associated with the request.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: headers property" } ], "ref-for-dom-request-integrity②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "integrity", "slug": "API/Request/integrity", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/integrity", "summary": "The integrity read-only property of the Request interface contains the subresource integrity value of the request.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": { "version_added": "14" }, "firefox": { "version_added": "51" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: integrity property" } ], "ref-for-dom-body-json①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "json", "slug": "API/Request/json", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/json", "summary": "The json() method of the Request interface reads the request body and returns it as a promise that resolves with the result of parsing the body text as JSON.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: json() method" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "json", "slug": "API/Response/json", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/json", "summary": "The json() method of the Response interface takes a Response stream and reads it to completion. It returns a promise which resolves with the result of parsing the body text as JSON.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: json() method" } ], "ref-for-dom-request-method②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "method", "slug": "API/Request/method", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/method", "summary": "The method read-only property of the Request interface contains the request's method (GET, POST, etc.)", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: method property" } ], "ref-for-dom-request-mode②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "mode", "slug": "API/Request/mode", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/mode", "summary": "The mode read-only property of the Request interface contains the mode of the request (e.g., cors, no-cors, same-origin, navigate or websocket.) This is used to determine if cross-origin requests lead to valid responses, and which properties of the response are readable.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: mode property" } ], "ref-for-dom-request-redirect②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "redirect", "slug": "API/Request/redirect", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/redirect", "summary": "The redirect read-only property of the Request interface contains the mode for how redirects are handled.", "support": { "chrome": { "version_added": "46" }, "chrome_android": "mirror", "deno": { "version_added": "1.0", "notes": "Fetching with a \"manual\" redirect mode does not result in a \"opaqueredirect\" response, but a regular response." }, "edge": { "version_added": "14" }, "firefox": { "version_added": "43" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: redirect property" } ], "ref-for-dom-request-referrer①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "referrer", "slug": "API/Request/referrer", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/referrer", "summary": "The referrer read-only property of the Request interface is set by the user agent to be the referrer of the Request. (e.g., client, no-referrer, or a URL.)", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: referrer property" } ], "ref-for-dom-request-referrerpolicy②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "referrerPolicy", "slug": "API/Request/referrerPolicy", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/referrerPolicy", "summary": "The referrerPolicy read-only property of the Request interface returns the referrer policy, which governs what referrer information, sent in the Referer header, should be included with the request.", "support": { "chrome": { "version_added": "52" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "47" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": { "version_added": "7.2" }, "webview_android": "mirror", "edge_blink": { "version_added": "79" } }, "title": "Request: referrerPolicy property" } ], "ref-for-dom-request-signal②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "signal", "slug": "API/Request/signal", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/signal", "summary": "The read-only signal property of the Request interface returns the AbortSignal associated with the request.", "support": { "chrome": { "version_added": "66" }, "chrome_android": "mirror", "deno": { "version_added": "1.11" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "57" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: signal property" } ], "ref-for-dom-body-text①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "text", "slug": "API/Request/text", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/text", "summary": "The text() method of the Request interface reads the request body and returns it as a promise that resolves with a String. The response is always decoded using UTF-8.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Request: text() method" }, { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "text", "slug": "API/Response/text", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/text", "summary": "The text() method of the Response interface takes a Response stream and reads it to completion. It returns a promise that resolves with a String. The response is always decoded using UTF-8.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: text() method" } ], "ref-for-dom-request-url③": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "url", "slug": "API/Request/url", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request/url", "summary": "The url read-only property of the Request interface contains the URL of the request.", "support": { "chrome": { "version_added": "40", "notes": "Fragment support added in Chrome 59." }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": { "version_added": "27", "notes": "Fragment support added in Opera 46." }, "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "79", "notes": "Fragment support added in Chrome 59." } }, "title": "Request: url property" } ], "request-class": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Request.json", "name": "Request", "slug": "API/Request", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Request", "summary": "The Request interface of the Fetch API represents a resource request.", "support": { "chrome": [ { "version_added": "42" }, { "version_added": "40", "version_removed": "42", "partial_implementation": true, "notes": "Only available in service workers." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "18.0.0" }, { "version_added": "17.5.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] }, { "version_added": "16.15.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] } ], "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_added": false, "version_removed": "42", "partial_implementation": true, "notes": "Only available in service workers." } ] }, "title": "Request" } ], "ref-for-dom-response①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "Response", "slug": "API/Response/Response", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/Response", "summary": "The Response() constructor creates a new Response object.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: Response() constructor" } ], "ref-for-dom-response-clone①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "clone", "slug": "API/Response/clone", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/clone", "summary": "The clone() method of the Response interface creates a clone of a response object, identical in every way, but stored in a different variable.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: clone() method" } ], "ref-for-dom-response-error①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "error_static", "slug": "API/Response/error_static", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/error_static", "summary": "The error() static method of the Response interface returns a new Response object associated with a network error.", "support": { "chrome": { "version_added": "43" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: error() static method" } ], "ref-for-dom-response-headers①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "headers", "slug": "API/Response/headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/headers", "summary": "The headers read-only property of the Response interface contains the Headers object associated with the response.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: headers property" } ], "ref-for-dom-response-json①": [ { "engines": [ "blink", "gecko" ], "filename": "api/Response.json", "name": "json_static", "slug": "API/Response/json_static", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/json_static", "summary": "The json() static method of the Response interface returns a Response that contains the provided JSON data as body, and a Content-Type header which is set to application/json. The response status, status message, and additional headers can also be set.", "support": { "chrome": { "version_added": "105" }, "chrome_android": "mirror", "deno": { "version_added": "1.22" }, "edge": "mirror", "firefox": { "version_added": "115" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": false }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": "105" } }, "title": "Response: json() static method" } ], "ref-for-dom-response-ok②": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "ok", "slug": "API/Response/ok", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/ok", "summary": "The ok read-only property of the Response interface contains a Boolean stating whether the response was successful (status in the range 200-299) or not.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: ok property" } ], "ref-for-dom-response-redirect①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "redirect_static", "slug": "API/Response/redirect_static", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/redirect_static", "summary": "The redirect() static method of the Response interface returns a Response resulting in a redirect to the specified URL.", "support": { "chrome": { "version_added": "44" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: redirect() static method" } ], "ref-for-dom-response-redirected①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "redirected", "slug": "API/Response/redirected", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/redirected", "summary": "The read-only redirected property of the Response interface indicates whether or not the response is the result of a request you made which was redirected.", "support": { "chrome": { "version_added": "57" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "16" }, "firefox": { "version_added": "49" }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": "10.1" }, "safari_ios": "mirror", "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "60" }, "edge_blink": { "version_added": "79" } }, "title": "Response: redirected property" } ], "ref-for-dom-response-status①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "status", "slug": "API/Response/status", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/status", "summary": "The status read-only property of the Response interface contains the HTTP status codes of the response.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: status property" } ], "ref-for-dom-response-statustext①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "statusText", "slug": "API/Response/statusText", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/statusText", "summary": "The statusText read-only property of the Response interface contains the status message corresponding to the HTTP status code in Response.status.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: statusText property" } ], "ref-for-dom-response-type①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "type", "slug": "API/Response/type", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/type", "summary": "The type read-only property of the Response interface contains the type of the response. It can be one of the following:", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": false }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: type property" } ], "ref-for-dom-response-url①": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "url", "slug": "API/Response/url", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response/url", "summary": "The url read-only property of the Response interface contains the URL of the response. The value of the url property will be the final URL obtained after any redirects.", "support": { "chrome": { "version_added": "40" }, "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "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": "Response: url property" } ], "response-class": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/Response.json", "name": "Response", "slug": "API/Response", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Response", "summary": "The Response interface of the Fetch API represents the response to a request.", "support": { "chrome": [ { "version_added": "42" }, { "version_added": "40", "version_removed": "42", "partial_implementation": true, "notes": "Only available in service workers." } ], "chrome_android": "mirror", "deno": { "version_added": "1.0" }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "18.0.0" }, { "version_added": "17.5.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] }, { "version_added": "16.15.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] } ], "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_added": false, "version_removed": "42", "partial_implementation": true, "notes": "Only available in service workers." } ] }, "title": "Response" } ], "fetch-method": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "api/_globals/fetch.json", "name": "fetch", "slug": "API/fetch", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/fetch", "summary": "The global fetch() method starts the process of fetching a resource from the network, returning a promise which is fulfilled once the response is available.", "support": { "chrome": { "version_added": "42" }, "chrome_android": "mirror", "deno": { "version_added": "1.0", "notes": "Fetching with a \"manual\" redirect mode does not result in a \"opaqueredirect\" response, but a regular response." }, "edge": { "version_added": "14" }, "firefox": { "version_added": "39" }, "firefox_android": "mirror", "ie": { "version_added": false }, "nodejs": [ { "version_added": "18.0.0" }, { "version_added": "17.5.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] }, { "version_added": "16.15.0", "flags": [ { "name": "--experimental-fetch", "type": "runtime_flag" } ] } ], "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": "fetch() global function" } ], "http-access-control-allow-credentials": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Allow-Credentials.json", "name": "Access-Control-Allow-Credentials", "slug": "HTTP/Headers/Access-Control-Allow-Credentials", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Credentials", "summary": "The Access-Control-Allow-Credentials response header tells browsers whether to expose the response to the frontend JavaScript code when the request's credentials mode (Request.credentials) is include.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Allow-Credentials" } ], "http-access-control-allow-headers": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Allow-Headers.json", "name": "Access-Control-Allow-Headers", "slug": "HTTP/Headers/Access-Control-Allow-Headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Headers", "summary": "The Access-Control-Allow-Headers response header is used in response to a preflight request which includes the Access-Control-Request-Headers to indicate which HTTP headers can be used during the actual request.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Allow-Headers" } ], "http-access-control-allow-methods": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Allow-Methods.json", "name": "Access-Control-Allow-Methods", "slug": "HTTP/Headers/Access-Control-Allow-Methods", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Methods", "summary": "The Access-Control-Allow-Methods response header specifies one or more methods allowed when accessing a resource in response to a preflight request.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Allow-Methods" } ], "http-access-control-allow-origin": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Allow-Origin.json", "name": "Access-Control-Allow-Origin", "slug": "HTTP/Headers/Access-Control-Allow-Origin", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin", "summary": "The Access-Control-Allow-Origin response header indicates whether the response can be shared with requesting code from the given origin.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Allow-Origin" } ], "http-access-control-expose-headers": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Expose-Headers.json", "name": "Access-Control-Expose-Headers", "slug": "HTTP/Headers/Access-Control-Expose-Headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Expose-Headers", "summary": "The Access-Control-Expose-Headers response header allows a server to indicate which response headers should be made available to scripts running in the browser, in response to a cross-origin request.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Expose-Headers" } ], "http-access-control-max-age": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Max-Age.json", "name": "Access-Control-Max-Age", "slug": "HTTP/Headers/Access-Control-Max-Age", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Max-Age", "summary": "The Access-Control-Max-Age response header indicates how long the results of a preflight request (that is the information contained in the Access-Control-Allow-Methods and Access-Control-Allow-Headers headers) can be cached.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Max-Age" } ], "http-access-control-request-headers": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Request-Headers.json", "name": "Access-Control-Request-Headers", "slug": "HTTP/Headers/Access-Control-Request-Headers", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Request-Headers", "summary": "The Access-Control-Request-Headers request header is used by browsers when issuing a preflight request to let the server know which HTTP headers the client might send when the actual request is made (such as with setRequestHeader()). The complementary server-side header of Access-Control-Allow-Headers will answer this browser-side header.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Request-Headers" } ], "http-access-control-request-method": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Access-Control-Request-Method.json", "name": "Access-Control-Request-Method", "slug": "HTTP/Headers/Access-Control-Request-Method", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Request-Method", "summary": "The Access-Control-Request-Method request header is used by browsers when issuing a preflight request, to let the server know which HTTP method will be used when the actual request is made. This header is necessary as the preflight request is always an OPTIONS and doesn't use the same method as the actual request.", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": "mirror", "ie": { "version_added": "10" }, "oculus": "mirror", "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "4" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": { "version_added": "2" }, "edge_blink": { "version_added": "79" } }, "title": "Access-Control-Request-Method" } ], "cross-origin-resource-policy-header": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Cross-Origin-Resource-Policy.json", "name": "Cross-Origin-Resource-Policy", "slug": "HTTP/Headers/Cross-Origin-Resource-Policy", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Resource-Policy", "summary": "The HTTP Cross-Origin-Resource-Policy response header conveys a desire that the browser blocks no-cors cross-origin/cross-site requests to the given resource.", "support": { "chrome": { "version_added": "73", "notes": [ "Until version 75, downloads for files with this header would fail in Chrome. See bug 952834.", "From version 80 to 85, linearized PDFs served inline with this header fail to render properly. See bug 1074261. From version 86, partial PDF loading is disabled." ] }, "chrome_android": "mirror", "edge": { "version_added": false }, "firefox": { "version_added": "74" }, "firefox_android": { "version_added": false }, "ie": { "version_added": false }, "oculus": "mirror", "opera": { "version_added": false }, "opera_android": { "version_added": false }, "safari": { "version_added": "12" }, "safari_ios": "mirror", "samsunginternet_android": { "version_added": "11.0" }, "webview_android": "mirror", "edge_blink": { "version_added": "79", "notes": [ "Until version 75, downloads for files with this header would fail in Chrome. See bug 952834.", "From version 80 to 85, linearized PDFs served inline with this header fail to render properly. See bug 1074261. From version 86, partial PDF loading is disabled." ] } }, "title": "Cross-Origin-Resource-Policy" } ], "origin-header": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/Origin.json", "name": "Origin", "slug": "HTTP/Headers/Origin", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Origin", "summary": "The Origin request header indicates the origin (scheme, hostname, and port) that caused the request. For example, if a user agent needs to request resources included in a page, or fetched by scripts that it executes, then the origin of the page may be included in the request.", "support": { "chrome": { "version_added": true }, "chrome_android": "mirror", "edge": { "version_added": "12" }, "firefox": [ { "version_added": "70" }, { "version_added": true, "partial_implementation": true, "notes": "Not sent with POST requests until Firefox 58, see bug 446344." } ], "firefox_android": "mirror", "ie": { "version_added": true }, "oculus": "mirror", "opera": "mirror", "opera_android": "mirror", "safari": { "version_added": true }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": true } }, "title": "Origin" } ], "sec-purpose-header": [ { "engines": [ "gecko" ], "filename": "http/headers/Sec-Purpose.json", "name": "Sec-Purpose", "slug": "HTTP/Headers/Sec-Purpose", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Sec-Purpose", "summary": "The Sec-Purpose fetch metadata request header indicates the purpose for which the requested resource will be used, when that purpose is something other than immediate use by the user-agent.", "support": { "chrome": { "version_added": false, "notes": "Chrome uses the legacy Purpose: prefetch header to indicate a request is a prefetch. See bug 1358419." }, "chrome_android": "mirror", "edge": "mirror", "firefox": { "version_added": "115", "notes": "Sec-Purpose: prefetch replaces the non-standard X-moz: prefetch header that was used to indicate a prefetch request in earlier versions. Prefetch requests should also include the header Accept header string for navigations, but Accept: */* is sent instead." }, "firefox_android": "mirror", "ie": { "version_added": false }, "oculus": "mirror", "opera": "mirror", "opera_android": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": { "version_added": false, "notes": "Chrome uses the legacy Purpose: prefetch header to indicate a request is a prefetch. See bug 1358419." } }, "title": "Sec-Purpose" } ], "x-content-type-options-header": [ { "engines": [ "blink", "gecko", "webkit" ], "filename": "http/headers/X-Content-Type-Options.json", "name": "X-Content-Type-Options", "slug": "HTTP/Headers/X-Content-Type-Options", "mdn_url": "https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options", "summary": "The X-Content-Type-Options response HTTP header is a marker used by the server to indicate that the MIME types advertised in the Content-Type headers should be followed and not be changed. The header allows you to avoid MIME type sniffing by saying that the MIME types are deliberately configured.", "support": { "chrome": [ { "version_added": "64" }, { "version_added": "1", "notes": "Not supported for stylesheets.", "partial_implementation": true } ], "chrome_android": [ { "version_added": "64" }, { "version_added": true, "notes": "Not supported for stylesheets.", "partial_implementation": true } ], "edge": { "version_added": "12" }, "firefox": { "version_added": "50" }, "firefox_android": "mirror", "ie": { "version_added": "8" }, "oculus": "mirror", "opera": { "version_added": true }, "opera_android": { "version_added": true }, "safari": { "version_added": "11" }, "safari_ios": "mirror", "samsunginternet_android": "mirror", "webview_android": "mirror", "edge_blink": [ { "version_added": "79" }, { "version_added": "79", "notes": "Not supported for stylesheets.", "partial_implementation": true } ] }, "title": "X-Content-Type-Options" } ] }