{
"assert": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "assert",
"slug": "API/console/assert",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/assert",
"summary": "The console.assert() method writes an error message to the console if the assertion is false. If the assertion is true, nothing happens.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "28"
},
"firefox_android": "mirror",
"ie": {
"version_added": "8"
},
"nodejs": [
{
"version_added": "10.0.0"
},
{
"version_added": "0.10.0",
"partial_implementation": true,
"notes": "Throws error when assertion fails."
}
],
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: assert() method"
}
],
"clear": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "clear",
"slug": "API/console/clear",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/clear",
"summary": "The console.clear() method clears the console if the console allows it. A graphical console, like those running on browsers, will allow it; a console displaying on the terminal, like the one running on Node, will not support it, and will have no effect (and no error).",
"support": {
"chrome": {
"version_added": "25"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "39"
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"firefox_android": "mirror",
"ie": {
"version_added": "8"
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"nodejs": {
"version_added": "8.3.0"
},
"oculus": "mirror",
"opera": {
"version_added": "12"
},
"opera_android": {
"version_added": "12"
},
"safari": {
"version_added": "7"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "console: clear() method"
}
],
"count": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "count",
"slug": "API/console/count",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/count",
"summary": "The console.count() method logs the number of times that this particular call to count() has been called.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "30"
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": "8.3.0"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: count() method"
}
],
"countreset": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "countReset",
"slug": "API/console/countReset",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/countReset",
"summary": "The console.countReset() method resets counter used with console.count().",
"support": {
"chrome": {
"version_added": "68"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": "mirror",
"firefox": {
"version_added": "62"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "8.3.0"
},
"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": "console: countReset() method"
}
],
"debug": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "debug",
"slug": "API/console/debug",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/debug",
"summary": "The console.debug() method outputs a message to the web console at the \"debug\" log level. The message is only displayed to the user if the console is configured to display debug output. In most cases, the log level is configured within the console UI. This log level might correspond to the Debug or Verbose log level.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "5"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"nodejs": {
"version_added": "8.0.0",
"notes": "Since Node.js 8.10.0, this method is an alias for console.log."
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: debug() method"
}
],
"dir": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "dir",
"slug": "API/console/dir",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/dir",
"summary": "The method console.dir() displays an interactive list of the properties of the specified JavaScript object. The output is presented as a hierarchical listing with disclosure triangles that let you see the contents of child objects.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "8"
},
"firefox_android": "mirror",
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": "0.10.0"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: dir() method"
}
],
"dirxml": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "dirxml",
"slug": "API/console/dirxml",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/dirxml",
"summary": "The console.dirxml() method displays an interactive tree of the descendant elements of the specified XML/HTML element. If it is not possible to display as an element the JavaScript Object view is shown instead. The output is presented as a hierarchical listing of expandable nodes that let you see the contents of child nodes.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "39"
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"nodejs": [
{
"version_added": "9.3.0"
},
{
"version_added": "8.0.0",
"partial_implementation": true,
"notes": "Does not use Logger to log data."
}
],
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: dirxml() method"
}
],
"error": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "error",
"slug": "API/console/error",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/error",
"summary": "The console.error() method outputs an error message to the Web console.",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"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": "3"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "console: error() method"
}
],
"group": [
{
"engines": [
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"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "group",
"slug": "API/console/group",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/group",
"summary": "The console.group() method creates a new inline group in the Web console log, causing any subsequent console messages to be indented by an additional level, until console.groupEnd() is called.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "9"
},
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"version_added": "11"
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"version_added": "8.5.0"
},
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"version_added": "11"
},
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"version_added": "11"
},
"safari": {
"version_added": "4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "37"
},
"edge_blink": {
"version_added": "79"
}
},
"title": "console: group() method"
}
],
"groupcollapsed": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "groupCollapsed",
"slug": "API/console/groupCollapsed",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/groupCollapsed",
"summary": "The console.groupCollapsed() method creates a new inline group in the Web Console. Unlike console.group(), however, the new group is created collapsed. The user will need to use the disclosure button next to it to expand it, revealing the entries created in the group.",
"support": {
"chrome": {
"version_added": "6"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "9"
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": "8.5.0",
"notes": "Alias for console.group"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"opera_android": {
"version_added": "11"
},
"safari": {
"version_added": "5.1"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "3"
},
"edge_blink": {
"version_added": "79"
}
},
"title": "console: groupCollapsed() method"
}
],
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{
"engines": [
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"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "groupEnd",
"slug": "API/console/groupEnd",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/groupEnd",
"summary": "The console.groupEnd() method exits the current inline group in the Web console. See Using groups in the console in the console documentation for details and examples.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "9"
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": "8.5.0"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: groupEnd() method"
}
],
"info": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "info",
"slug": "API/console/info",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/info",
"summary": "The console.info() method outputs an informational message to the Web console. In Firefox, a small \"i\" icon is displayed next to these items in the Web console's log.",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"firefox_android": "mirror",
"ie": {
"version_added": "8"
},
"nodejs": {
"version_added": "0.10.0",
"notes": "Alias for console.log"
},
"oculus": "mirror",
"opera": {
"version_added": "10.5"
},
"opera_android": {
"version_added": "11"
},
"safari": {
"version_added": "3"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "console: info() method"
}
],
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{
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"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "log",
"slug": "API/console/log",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/log",
"summary": "The console.log() method outputs a message to the web console. The message may be a single string (with optional substitution values), or it may be any one or more JavaScript objects.",
"support": {
"chrome": {
"version_added": "1"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "4"
},
"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": "3"
},
"safari_ios": {
"version_added": "1"
},
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "console: log() method"
}
],
"table": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "table",
"slug": "API/console/table",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/table",
"summary": "The console.table() method displays tabular data as a table.",
"support": {
"chrome": {
"version_added": "27"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "13"
},
"firefox": {
"version_added": "34"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "10.0.0"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"opera_android": {
"version_added": "11"
},
"safari": {
"version_added": "7"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "console: table() method"
}
],
"time": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "time",
"slug": "API/console/time",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/time",
"summary": "The console.time() method starts a timer you can use to track how long an operation takes. You give each timer a unique name, and may have up to 10,000 timers running on a given page. When you call console.timeEnd() with the same name, the browser will output the time, in milliseconds, that elapsed since the timer was started.",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "10"
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": "0.10.0"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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"
}
},
"caniuse": {
"feature": "console-time",
"title": "console.time and console.timeEnd"
},
"title": "console: time() method"
}
],
"timeend": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "timeEnd",
"slug": "API/console/timeEnd",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/timeEnd",
"summary": "The console.timeEnd() stops a timer that was previously started by calling console.time().",
"support": {
"chrome": {
"version_added": "2"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "10"
},
"firefox_android": "mirror",
"ie": {
"version_added": "11"
},
"nodejs": {
"version_added": "0.10.0"
},
"oculus": "mirror",
"opera": {
"version_added": "11"
},
"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": "console: timeEnd() method"
}
],
"timelog": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "timeLog",
"slug": "API/console/timeLog",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/timeLog",
"summary": "The console.timeLog() method logs the current value of a timer that was previously started by calling console.time().",
"support": {
"chrome": {
"version_added": "71"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": "mirror",
"firefox": {
"version_added": "62"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"nodejs": {
"version_added": "10.7.0"
},
"oculus": "mirror",
"opera": {
"version_added": "60"
},
"opera_android": "mirror",
"safari": {
"version_added": "13"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "console: timeLog() method"
}
],
"trace": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/_globals/console.json",
"name": "trace",
"slug": "API/console/trace",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/console/trace",
"summary": "The console.trace() method outputs a stack trace to the Web console.",
"support": {
"chrome": {
"version_added": "2"
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}
],
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{
"engines": [
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"webkit"
],
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"filename": "api/_globals/console.json",
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},
"title": "console"
}
]
}