{ "api": { "Console": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "2" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "8", "notes": "In Internet Explorer 8 and 9, the console object is undefined when the developer tools are not open. This behavior was fixed in Internet Explorer 10." }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "assert": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/assert", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "28" }, "firefox_android": { "version_added": "28" }, "ie": { "version_added": "8" }, "nodejs": [ { "version_added": "10.0.0" }, { "version_added": "0.1.101", "partial_implementation": true, "notes": "Throws error when assertion fails." } ], "opera": { "version_added": "11" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "3.2" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "clear": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/clear", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "48" }, "firefox_android": { "version_added": "48" }, "ie": { "version_added": true }, "nodejs": { "version_added": "8.3.0" }, "opera": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "count": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/count", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "30" }, "firefox_android": { "version_added": "30" }, "ie": { "version_added": true }, "nodejs": { "version_added": "8.3.0" }, "opera": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "countReset": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/countReset", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "≤79" }, "firefox": { "version_added": "62" }, "firefox_android": { "version_added": "62" }, "ie": { "version_added": false }, "nodejs": { "version_added": "8.3.0" }, "opera": { "version_added": true }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "debug": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/debug", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": true }, "nodejs": [ { "version_added": "8.10.0", "notes": "Alias for console.log" }, { "version_added": "8.0.0" } ], "opera": { "version_added": null }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "substitution_strings": { "__compat": { "description": "Substitution strings", "support": { "chrome": { "version_added": true, "notes": "In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer. For example, -0.1 becomes -1." }, "chrome_android": { "version_added": true, "notes": "In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer. For example, -0.1 becomes -1." }, "edge": { "version_added": "12", "notes": [ "Before Edge 79, %c is not supported.", "Before Edge 79, %d outputs a 0 if the specified value isn't a number." ] }, "firefox": { "version_added": "9" }, "firefox_android": { "version_added": "9" }, "ie": { "version_added": "10", "notes": [ "%c is not supported.", "%d outputs a 0 if the specified value isn't a number." ] }, "nodejs": { "version_added": "8.10.0" }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true, "notes": "In Samsung Internet 1.5, if a negative value is passed to %d, it will be rounded down to the closest negative integer. For example, -0.1 becomes -1." }, "webview_android": { "version_added": true, "notes": "In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer. For example, -0.1 becomes -1." } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "dir": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/dir", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "8" }, "firefox_android": { "version_added": "8" }, "ie": { "version_added": "9" }, "nodejs": { "version_added": "0.1.101" }, "opera": { "version_added": "11" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "3.2" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": true, "standard_track": true, "deprecated": false } } }, "dirxml": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/dirxml", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": false }, "ie": { "version_added": true }, "nodejs": [ { "version_added": "9.3.0" }, { "version_added": "8.0.0", "partial_implementation": true, "notes": "Does not use Logger to log data." } ], "opera": { "version_added": true }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": true, "standard_track": true, "deprecated": false } } }, "error": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/error", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "substitution_strings": { "__compat": { "description": "Substitution strings", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12", "notes": [ "Before Edge 79, %c is not supported.", "Before Edge 79, %d outputs a 0 if the specified value isn't a number." ] }, "firefox": { "version_added": "9" }, "firefox_android": { "version_added": "9" }, "ie": { "version_added": "10", "notes": [ "%c is not supported.", "%d outputs a 0 if the specified value isn't a number." ] }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "exception": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/exception", "description": "exception (an alias for error)", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": "13", "version_removed": "79" }, "firefox": { "version_added": "28" }, "firefox_android": { "version_added": "28" }, "ie": { "version_added": false }, "nodejs": { "version_added": false }, "opera": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": false } }, "status": { "experimental": false, "standard_track": false, "deprecated": true } }, "substitution_strings": { "__compat": { "description": "Substitution strings", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": "≤18", "version_removed": "79" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": false }, "nodejs": { "version_added": false }, "opera": { "version_added": false }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": false }, "webview_android": { "version_added": false } }, "status": { "experimental": false, "standard_track": false, "deprecated": true } } } }, "group": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/group", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "8.5.0" }, "opera": { "version_added": true }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "groupCollapsed": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/groupCollapsed", "support": { "chrome": { "version_added": "6" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "52" }, "firefox_android": { "version_added": "52" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "8.5.0", "notes": "Alias for console.group" }, "opera": { "version_added": null }, "safari": { "version_added": "5.1" }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "groupEnd": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/groupEnd", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "9" }, "firefox_android": { "version_added": "9" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "8.5.0" }, "opera": { "version_added": true }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "info": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/info", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.1.100", "notes": "Alias for console.log" }, "opera": { "version_added": true }, "safari": { "version_added": true, "notes": "No information icon" }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "substitution_strings": { "__compat": { "description": "Substitution strings", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12", "notes": [ "Before Edge 79, %c is not supported.", "Before Edge 79, %d outputs a 0 if the specified value isn't a number." ] }, "firefox": { "version_added": "9" }, "firefox_android": { "version_added": "9" }, "ie": { "version_added": "10", "notes": [ "%c is not supported.", "%d outputs a 0 if the specified value isn't a number." ] }, "nodejs": { "version_added": true }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "log": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/log", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "10.5" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "substitution_strings": { "__compat": { "description": "Substitution strings", "support": { "chrome": { "version_added": true, "notes": "In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1." }, "chrome_android": { "version_added": true, "notes": "In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1." }, "edge": { "version_added": "12", "notes": [ "Before Edge 79, %c is not supported.", "Before Edge 79, %d outputs a 0 if the specified value isn't a number." ] }, "firefox": { "version_added": "9" }, "firefox_android": { "version_added": "9" }, "ie": { "version_added": "10", "notes": [ "%c is not supported.", "%d outputs a 0 if the specified value isn't a number." ] }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true, "notes": "In Samsung Internet 1.5, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1." }, "webview_android": { "version_added": true, "notes": "In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1." } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "profile": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/profile", "support": { "chrome": { "version_added": "53" }, "chrome_android": { "version_added": "53" }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": "10" }, "ie": { "version_added": true }, "nodejs": { "version_added": "8.0.0", "flags": [ { "type": "runtime_flag", "name": "--inspect" } ] }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "6.0" }, "webview_android": { "version_added": "53" } }, "status": { "experimental": true, "standard_track": false, "deprecated": false } } }, "profileEnd": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/profileEnd", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": "10" }, "ie": { "version_added": true }, "nodejs": { "version_added": "8.0.0", "flags": [ { "type": "runtime_flag", "name": "--inspect" } ] }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": true, "standard_track": false, "deprecated": false } } }, "table": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/table", "support": { "chrome": { "version_added": "27" }, "chrome_android": { "version_added": "27" }, "edge": { "version_added": "13" }, "firefox": { "version_added": "34" }, "firefox_android": { "version_added": "34" }, "ie": { "version_added": false }, "nodejs": { "version_added": "10.0.0" }, "opera": { "version_added": "11" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "6.1" }, "safari_ios": { "version_added": "7" }, "samsunginternet_android": { "version_added": "1.5" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "time": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/time", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "10" }, "firefox_android": { "version_added": "10" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.1.104" }, "opera": { "version_added": "11" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "3.2" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "timeEnd": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/timeEnd", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "10" }, "firefox_android": { "version_added": "10" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.1.104" }, "opera": { "version_added": true }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "timeLog": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/timeLog", "support": { "chrome": { "version_added": "72" }, "chrome_android": { "version_added": "72" }, "edge": { "version_added": "79" }, "firefox": { "version_added": "62" }, "firefox_android": { "version_added": "62" }, "ie": { "version_added": false }, "nodejs": { "version_added": "10.7.0" }, "opera": { "version_added": "60" }, "safari": { "version_added": false, "notes": "See bug 186833." }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": "11.0" }, "webview_android": { "version_added": "72" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "timestamp": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/timestamp", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": "10" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "8.0.0", "flags": [ { "type": "runtime_flag", "name": "--inspect" } ] }, "opera": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": true, "standard_track": false, "deprecated": false } } }, "trace": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/trace", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "10" }, "firefox_android": { "version_added": "10" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.1.104" }, "opera": { "version_added": "11" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "3.2" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "warn": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Console/warn", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "8" }, "nodejs": { "version_added": "0.1.100", "notes": "Alias for console.error" }, "opera": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "substitution_strings": { "__compat": { "description": "Substitution strings", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12", "notes": [ "Before Edge 79, %c is not supported.", "Before Edge 79, %d outputs a 0 if the specified value isn't a number." ] }, "firefox": { "version_added": "9" }, "firefox_android": { "version_added": "9" }, "ie": { "version_added": "10", "notes": [ "%c is not supported.", "%d outputs a 0 if the specified value isn't a number." ] }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "worker_support": { "__compat": { "description": "Available in workers", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": "38" }, "firefox_android": { "version_added": "38" }, "ie": { "version_added": true }, "nodejs": { "version_added": "10.5.0" }, "opera": { "version_added": true }, "safari": { "version_added": true }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } }