{ "javascript": { "builtins": { "Number": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number", "spec_url": "https://tc39.es/ecma262/#sec-number-objects", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "EPSILON": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/EPSILON", "spec_url": "https://tc39.es/ecma262/#sec-number.epsilon", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": { "version_added": "25" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "MAX_SAFE_INTEGER": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER", "spec_url": "https://tc39.es/ecma262/#sec-number.max_safe_integer", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": { "version_added": "31" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "MAX_VALUE": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_VALUE", "spec_url": "https://tc39.es/ecma262/#sec-number.max_value", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "MIN_SAFE_INTEGER": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER", "spec_url": "https://tc39.es/ecma262/#sec-number.min_safe_integer", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "31" }, "firefox_android": { "version_added": "31" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "MIN_VALUE": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_VALUE", "spec_url": "https://tc39.es/ecma262/#sec-number.min_value", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "NaN": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/NaN", "spec_url": "https://tc39.es/ecma262/#sec-number.nan", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "NEGATIVE_INFINITY": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/NEGATIVE_INFINITY", "spec_url": "https://tc39.es/ecma262/#sec-number.negative_infinity", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "Number": { "__compat": { "description": "Number() constructor", "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/Number", "spec_url": "https://tc39.es/ecma262/#sec-number-constructor", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "POSITIVE_INFINITY": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/POSITIVE_INFINITY", "spec_url": "https://tc39.es/ecma262/#sec-number.positive_infinity", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "3" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "isFinite": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite", "spec_url": "https://tc39.es/ecma262/#sec-number.isfinite", "support": { "chrome": { "version_added": "19" }, "chrome_android": { "version_added": "25" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": { "version_added": "16" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.10" }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "1.5" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "isInteger": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger", "spec_url": "https://tc39.es/ecma262/#sec-number.isinteger", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "16" }, "firefox_android": { "version_added": "16" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "isNaN": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN", "spec_url": "https://tc39.es/ecma262/#sec-number.isnan", "support": { "chrome": { "version_added": "25" }, "chrome_android": { "version_added": "25" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "15" }, "firefox_android": { "version_added": "15" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.10" }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "1.5" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "isSafeInteger": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger", "spec_url": "https://tc39.es/ecma262/#sec-number.issafeinteger", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "32" }, "firefox_android": { "version_added": "32" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "10" }, "safari_ios": { "version_added": "10" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "parseFloat": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/parseFloat", "spec_url": "https://tc39.es/ecma262/#sec-number.parsefloat", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": { "version_added": "25" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "parseInt": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/parseInt", "spec_url": "https://tc39.es/ecma262/#sec-number.parseint", "support": { "chrome": { "version_added": "34" }, "chrome_android": { "version_added": "34" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "25" }, "firefox_android": { "version_added": "25" }, "ie": { "version_added": false }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "21" }, "opera_android": { "version_added": "21" }, "safari": { "version_added": "9" }, "safari_ios": { "version_added": "9" }, "samsunginternet_android": { "version_added": "2.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "toExponential": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toExponential", "spec_url": "https://tc39.es/ecma262/#sec-number.prototype.toexponential", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "2" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "toFixed": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed", "spec_url": "https://tc39.es/ecma262/#sec-number.prototype.tofixed", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "2" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "toLocaleString": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toLocaleString", "spec_url": [ "https://tc39.es/ecma262/#sec-number.prototype.tolocalestring", "https://tc39.es/ecma402/#sup-number.prototype.tolocalestring" ], "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12", "notes": "Before Edge 18, numbers are rounded to 15 decimal digits. For example, (1000000000000005).toLocaleString('en-US') returns \"1,000,000,000,000,010\"." }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "5", "notes": "In Internet Explorer 11, numbers are rounded to 15 decimal digits. For example, (1000000000000005).toLocaleString('en-US') returns \"1,000,000,000,000,010\"." }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "locales": { "__compat": { "support": { "chrome": { "version_added": "24" }, "chrome_android": { "version_added": "26" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": { "version_added": "56" }, "ie": { "version_added": "11" }, "nodejs": [ { "version_added": "13.0.0" }, { "version_added": "0.12", "partial_implementation": true, "notes": "Before version 13.0.0, only the locale data for en-US is available by default. When other locales are specified, the function silently falls back to en-US. To make full ICU (locale) data available for versions prior to 13, see Node.js documentation on the --with-intl option and how to provide the data." } ], "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": "10" }, "safari_ios": { "version_added": "10" }, "samsunginternet_android": { "version_added": "1.5" }, "webview_android": { "version_added": "4.4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "options": { "__compat": { "support": { "chrome": { "version_added": "24" }, "chrome_android": { "version_added": "26" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "29" }, "firefox_android": { "version_added": "56" }, "ie": { "version_added": "11" }, "nodejs": { "version_added": "0.12" }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": "10" }, "safari_ios": { "version_added": "10" }, "samsunginternet_android": { "version_added": "1.5" }, "webview_android": { "version_added": "4.4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "toPrecision": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toPrecision", "spec_url": "https://tc39.es/ecma262/#sec-number.prototype.toprecision", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "5.5" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "7" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "2" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "toSource": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toSource", "support": { "chrome": { "version_added": false }, "chrome_android": { "version_added": false }, "edge": { "version_added": false }, "firefox": { "version_added": "1", "version_removed": "74", "notes": "Starting in Firefox 74, toSource() is no longer available for use by web content. It is still allowed for internal and privileged code." }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": false }, "nodejs": { "version_added": false }, "opera": { "version_added": false }, "opera_android": { "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": false } } }, "toString": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toString", "spec_url": "https://tc39.es/ecma262/#sec-number.prototype.tostring", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "3" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "valueOf": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/valueOf", "spec_url": "https://tc39.es/ecma262/#sec-number.prototype.valueof", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "nodejs": { "version_added": "0.1.100" }, "opera": { "version_added": "4" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "1" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } } }