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    JavaScript documentation status

    Summary

    Pages Translated Translations up to date Translations technically reviewed Translations editorially reviewed
    618 333 (54%) 15 (5%) 333 (100%) 332 (100%)

    All articles

    Page Translated
    JavaScript Yes, but not up to date (637 days older). Edit.
    A re-introduction to JavaScript (JS tutorial) Yes, but not up to date (639 days older). Edit.
    About JavaScript Yes, but not up to date (99 days older). Edit.
    Closures Yes, but not up to date (616 days older). Edit.
    Concurrency model and Event Loop Not available. Translate now.
    Enumerability and ownership of properties Not available. Translate now.
    Equality comparisons and sameness Yes, but not up to date (249 days older). Edit.
    Index Not available. Translate now.
    Inheritance and the prototype chain Yes, but not up to date (637 days older). Edit.
    Introduction to Object-Oriented JavaScript Yes, but not up to date (615 days older). Edit.
    JavaScript Guide Yes, but not up to date (631 days older). Edit.
    Control flow and error handling Yes, but not up to date (640 days older). Edit.
    Details of the object model Yes, but not up to date (567 days older). Edit.
    Expressions and operators Yes, but not up to date (271 days older). Edit.
    Functions Yes, but not up to date (505 days older). Edit.
    Grammar and types Yes, but not up to date (640 days older). Edit.
    Introduction Not available. Translate now.
    Iterators and generators Yes, but not up to date (44 days older). Edit.
    Loops and iteration Not available. Translate now.
    Numbers and dates Not available. Translate now.
    Predefined Core Objects Yes, but not up to date (227 days older). Edit.
    Regular Expressions Yes, but not up to date (512 days older). Edit.
    Using native JSON Yes, and up to date
    Working with objects Yes, but not up to date (489 days older). Edit.
    JavaScript data types and data structures Yes, but not up to date (461 days older). Edit.
    JavaScript language resources Yes, but not up to date (1359 days older). Edit.
    JavaScript reference Yes, but not up to date (236 days older). Edit.
    About this reference Yes, but not up to date (201 days older). Edit.
    Deprecated and obsolete features Yes, but not up to date (266 days older). Edit.
    The legacy Iterator protocol Not available. Translate now.
    Expressions and operators Yes, but not up to date (201 days older). Edit.
    Arithmetic operators Yes, but not up to date (539 days older). Edit.
    Array comprehensions Not available. Translate now.
    Assignment operators Yes, but not up to date (209 days older). Edit.
    Bitwise operators Yes, but not up to date (747 days older). Edit.
    Comma operator Yes, but not up to date (539 days older). Edit.
    Comparison operators Yes, but not up to date (615 days older). Edit.
    Conditional (ternary) Operator Yes, but not up to date (855 days older). Edit.
    Destructuring assignment Not available. Translate now.
    Expression closures Not available. Translate now.
    Generator comprehensions Not available. Translate now.
    Grouping operator Not available. Translate now.
    Legacy generator function expression Not available. Translate now.
    Logical Operators Yes, but not up to date (353 days older). Edit.
    Object initializer Not available. Translate now.
    Operator precedence Yes, but not up to date (601 days older). Edit.
    Property accessors Yes, but not up to date (178 days older). Edit.
    Spread operator Not available. Translate now.
    delete operator Yes, but not up to date (590 days older). Edit.
    function expression Yes, but not up to date (201 days older). Edit.
    function* expression Not available. Translate now.
    in operator Yes, but not up to date (687 days older). Edit.
    instanceof Yes, but not up to date (687 days older). Edit.
    new operator Yes, but not up to date (178 days older). Edit.
    this Yes, but not up to date (198 days older). Edit.
    typeof Yes, and up to date
    void operator Yes, but not up to date (617 days older). Edit.
    yield Yes, but not up to date (592 days older). Edit.
    yield* Not available. Translate now.
    Functions Yes, but not up to date (499 days older). Edit.
    Arguments object Yes, but not up to date (135 days older). Edit.
    arguments.callee Yes, but not up to date (121 days older). Edit.
    arguments.caller Yes, but not up to date (121 days older). Edit.
    arguments.length Yes, but not up to date (200 days older). Edit.
    Arrow functions Yes, but not up to date (279 days older). Edit.
    Default parameters Not available. Translate now.
    Method definitions Not available. Translate now.
    Rest parameters Not available. Translate now.
    getter Yes, but not up to date (556 days older). Edit.
    setter Yes, but not up to date (750 days older). Edit.
    Iteration protocols Not available. Translate now.
    JavaScript methods index Not available. Translate now.
    JavaScript properties index Not available. Translate now.
    Lexical grammar Not available. Translate now.
    Standard built-in objects Not available. Translate now.
    Array Yes, but not up to date (177 days older). Edit.
    Array.from() Not available. Translate now.
    Array.isArray() Yes, but not up to date (151 days older). Edit.
    Array.length Yes, but not up to date (22 days older). Edit.
    Array.observe() Not available. Translate now.
    Array.of() Not available. Translate now.
    Array.prototype Yes, but not up to date (176 days older). Edit.
    Array.prototype.concat() Yes, but not up to date (480 days older). Edit.
    Array.prototype.copyWithin() Not available. Translate now.
    Array.prototype.entries() Not available. Translate now.
    Array.prototype.every() Yes, but not up to date (594 days older). Edit.
    Array.prototype.fill() Not available. Translate now.
    Array.prototype.filter() Yes, but not up to date (269 days older). Edit.
    Array.prototype.find() Not available. Translate now.
    Array.prototype.findIndex() Not available. Translate now.
    Array.prototype.forEach() Yes, but not up to date (614 days older). Edit.
    Array.prototype.includes() Not available. Translate now.
    Array.prototype.indexOf() Yes, but not up to date (596 days older). Edit.
    Array.prototype.join() Yes, but not up to date (641 days older). Edit.
    Array.prototype.keys() Not available. Translate now.
    Array.prototype.lastIndexOf() Yes, but not up to date (594 days older). Edit.
    Array.prototype.map() Yes, but not up to date (61 days older). Edit.
    Array.prototype.pop() Yes, and up to date
    Array.prototype.push() Yes, but not up to date (530 days older). Edit.
    Array.prototype.reduce() Yes, but not up to date (236 days older). Edit.
    Array.prototype.reduceRight() Yes, but not up to date (236 days older). Edit.
    Array.prototype.reverse() Yes, but not up to date (587 days older). Edit.
    Array.prototype.shift() Yes, but not up to date (464 days older). Edit.
    Array.prototype.slice() Yes, but not up to date (59 days older). Edit.
    Array.prototype.some() Yes, but not up to date (608 days older). Edit.
    Array.prototype.sort() Yes, but not up to date (517 days older). Edit.
    Array.prototype.splice() Yes, but not up to date (80 days older). Edit.
    Array.prototype.toLocaleString() Not available. Translate now.
    Array.prototype.toSource() Yes, but not up to date (104 days older). Edit.
    Array.prototype.toString() Yes, but not up to date (464 days older). Edit.
    Array.prototype.unshift() Yes, but not up to date (454 days older). Edit.
    Array.prototype.values() Not available. Translate now.
    Array.prototype[@@iterator]() Not available. Translate now.
    ArrayBuffer Yes, but not up to date (498 days older). Edit.
    ArrayBuffer.isView() Not available. Translate now.
    ArrayBuffer.prototype Not available. Translate now.
    ArrayBuffer.prototype.byteLength Not available. Translate now.
    ArrayBuffer.prototype.slice() Not available. Translate now.
    ArrayBuffer.transfer() Not available. Translate now.
    Boolean Yes, but not up to date (246 days older). Edit.
    Boolean.prototype Yes, but not up to date (143 days older). Edit.
    Boolean.prototype.toSource() Yes, but not up to date (143 days older). Edit.
    Boolean.prototype.toString() Yes, but not up to date (143 days older). Edit.
    Boolean.prototype.valueOf() Yes, but not up to date (143 days older). Edit.
    DataView Yes, but not up to date (561 days older). Edit.
    DataView.prototype Not available. Translate now.
    DataView.prototype.buffer Not available. Translate now.
    DataView.prototype.byteLength Not available. Translate now.
    DataView.prototype.byteOffset Not available. Translate now.
    DataView.prototype.getFloat32() Not available. Translate now.
    DataView.prototype.getFloat64() Not available. Translate now.
    DataView.prototype.getInt16() Not available. Translate now.
    DataView.prototype.getInt32() Not available. Translate now.
    DataView.prototype.getInt8() Not available. Translate now.
    DataView.prototype.getUint16() Not available. Translate now.
    DataView.prototype.getUint32() Not available. Translate now.
    DataView.prototype.getUint8() Not available. Translate now.
    DataView.prototype.setFloat32() Not available. Translate now.
    DataView.prototype.setFloat64() Not available. Translate now.
    DataView.prototype.setInt16() Not available. Translate now.
    DataView.prototype.setInt32() Not available. Translate now.
    DataView.prototype.setInt8() Not available. Translate now.
    DataView.prototype.setUint16() Not available. Translate now.
    DataView.prototype.setUint32() Not available. Translate now.
    DataView.prototype.setUint8() Not available. Translate now.
    Date Yes, but not up to date (264 days older). Edit.
    Date.UTC() Yes, and up to date
    Date.now() Yes, but not up to date (594 days older). Edit.
    Date.parse() Yes, and up to date
    Date.prototype Yes, but not up to date (153 days older). Edit.
    Date.prototype.getDate() Yes, but not up to date (153 days older). Edit.
    Date.prototype.getDay() Yes, but not up to date (153 days older). Edit.
    Date.prototype.getFullYear() Yes, but not up to date (157 days older). Edit.
    Date.prototype.getHours() Yes, but not up to date (104 days older). Edit.
    Date.prototype.getMilliseconds() Yes, but not up to date (157 days older). Edit.
    Date.prototype.getMinutes() Yes, but not up to date (513 days older). Edit.
    Date.prototype.getMonth() Yes, but not up to date (483 days older). Edit.
    Date.prototype.getSeconds() Yes, but not up to date (513 days older). Edit.
    Date.prototype.getTime() Yes, but not up to date (513 days older). Edit.
    Date.prototype.getTimezoneOffset() Yes, but not up to date (513 days older). Edit.
    Date.prototype.getUTCDate() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCDay() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCFullYear() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCHours() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCMilliseconds() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCMinutes() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCMonth() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getUTCSeconds() Yes, but not up to date (517 days older). Edit.
    Date.prototype.getYear() Yes, but not up to date (517 days older). Edit.
    Date.prototype.setDate() Yes, but not up to date (518 days older). Edit.
    Date.prototype.setFullYear() Not available. Translate now.
    Date.prototype.setHours() Not available. Translate now.
    Date.prototype.setMilliseconds() Not available. Translate now.
    Date.prototype.setMinutes() Not available. Translate now.
    Date.prototype.setMonth() Not available. Translate now.
    Date.prototype.setSeconds() Not available. Translate now.
    Date.prototype.setTime() Not available. Translate now.
    Date.prototype.setUTCDate() Not available. Translate now.
    Date.prototype.setUTCFullYear() Not available. Translate now.
    Date.prototype.setUTCHours() Not available. Translate now.
    Date.prototype.setUTCMilliseconds() Not available. Translate now.
    Date.prototype.setUTCMinutes() Not available. Translate now.
    Date.prototype.setUTCMonth() Not available. Translate now.
    Date.prototype.setUTCSeconds() Not available. Translate now.
    Date.prototype.setYear() Not available. Translate now.
    Date.prototype.toDateString() Not available. Translate now.
    Date.prototype.toGMTString() Not available. Translate now.
    Date.prototype.toISOString() Not available. Translate now.
    Date.prototype.toJSON() Yes, but not up to date (625 days older). Edit.
    Date.prototype.toLocaleDateString() Not available. Translate now.
    Date.prototype.toLocaleFormat() Not available. Translate now.
    Date.prototype.toLocaleString() Not available. Translate now.
    Date.prototype.toLocaleTimeString() Not available. Translate now.
    Date.prototype.toSource() Not available. Translate now.
    Date.prototype.toString() Yes, but not up to date (521 days older). Edit.
    Date.prototype.toTimeString() Not available. Translate now.
    Date.prototype.toUTCString() Not available. Translate now.
    Date.prototype.valueOf() Not available. Translate now.
    Error Yes, but not up to date (244 days older). Edit.
    Error.prototype Yes, but not up to date (496 days older). Edit.
    Error.prototype.columnNumber Not available. Translate now.
    Error.prototype.fileName Not available. Translate now.
    Error.prototype.lineNumber Not available. Translate now.
    Error.prototype.message Not available. Translate now.
    Error.prototype.name Not available. Translate now.
    Error.prototype.stack Not available. Translate now.
    Error.prototype.toSource() Not available. Translate now.
    Error.prototype.toString() Not available. Translate now.
    EvalError Yes, but not up to date (250 days older). Edit.
    EvalError.prototype Yes, but not up to date (140 days older). Edit.
    Float32Array Yes, but not up to date (589 days older). Edit.
    Float64Array Yes, but not up to date (589 days older). Edit.
    Function Yes, but not up to date (511 days older). Edit.
    Function.arguments Yes, but not up to date (745 days older). Edit.
    Function.arity Yes, but not up to date (583 days older). Edit.
    Function.caller Yes, but not up to date (754 days older). Edit.
    Function.displayName Not available. Translate now.
    Function.length Yes, but not up to date (57 days older). Edit.
    Function.name Yes, but not up to date (601 days older). Edit.
    Function.prototype Yes, but not up to date (201 days older). Edit.
    Function.prototype.apply() Yes, but not up to date (423 days older). Edit.
    Function.prototype.bind() Yes, but not up to date (250 days older). Edit.
    Function.prototype.call() Yes, but not up to date (334 days older). Edit.
    Function.prototype.isGenerator() Yes, but not up to date (492 days older). Edit.
    Function.prototype.toSource() Yes, but not up to date (492 days older). Edit.
    Function.prototype.toString() Yes, but not up to date (492 days older). Edit.
    Generator Not available. Translate now.
    Generator.prototype.next() Not available. Translate now.
    Generator.prototype.return() Not available. Translate now.
    Generator.prototype.throw() Not available. Translate now.
    GeneratorFunction Not available. Translate now.
    GeneratorFunction.prototype Not available. Translate now.
    Infinity Yes, but not up to date (179 days older). Edit.
    Int16Array Yes, but not up to date (589 days older). Edit.
    Int32Array Yes, but not up to date (589 days older). Edit.
    Int8Array Yes, but not up to date (589 days older). Edit.
    InternalError Not available. Translate now.
    InternalError.prototype Not available. Translate now.
    Intl Not available. Translate now.
    Intl.Collator Not available. Translate now.
    Intl.Collator.prototype Not available. Translate now.
    Intl.Collator.prototype.compare Not available. Translate now.
    Intl.Collator.prototype.resolvedOptions() Not available. Translate now.
    Intl.Collator.supportedLocalesOf() Not available. Translate now.
    Intl.DateTimeFormat Not available. Translate now.
    Intl.DateTimeFormat.prototype Not available. Translate now.
    Intl.DateTimeFormat.prototype.format Not available. Translate now.
    Intl.DateTimeFormat.prototype.resolvedOptions() Not available. Translate now.
    Intl.DateTimeFormat.supportedLocalesOf() Not available. Translate now.
    Intl.NumberFormat Not available. Translate now.
    Intl.NumberFormat.prototype Not available. Translate now.
    Intl.NumberFormat.prototype.format Not available. Translate now.
    Intl.NumberFormat.prototype.resolvedOptions() Not available. Translate now.
    Intl.NumberFormat.supportedLocalesOf() Not available. Translate now.
    Iterator Not available. Translate now.
    JSON Yes, but not up to date (918 days older). Edit.
    JSON.parse() Yes, and up to date
    JSON.stringify() Yes, and up to date
    Map Yes, but not up to date (117 days older). Edit.
    Map.prototype Not available. Translate now.
    Map.prototype.clear() Not available. Translate now.
    Map.prototype.delete() Not available. Translate now.
    Map.prototype.entries() Not available. Translate now.
    Map.prototype.forEach() Not available. Translate now.
    Map.prototype.get() Not available. Translate now.
    Map.prototype.has() Not available. Translate now.
    Map.prototype.keys() Not available. Translate now.
    Map.prototype.set() Not available. Translate now.
    Map.prototype.size Not available. Translate now.
    Map.prototype.values() Not available. Translate now.
    Map.prototype[@@iterator]() Not available. Translate now.
    Math Yes, but not up to date (256 days older). Edit.
    Math.E Yes, but not up to date (257 days older). Edit.
    Math.LN10 Yes, but not up to date (272 days older). Edit.
    Math.LN2 Yes, but not up to date (257 days older). Edit.
    Math.LOG10E Yes, but not up to date (257 days older). Edit.
    Math.LOG2E Yes, but not up to date (257 days older). Edit.
    Math.PI Yes, but not up to date (257 days older). Edit.
    Math.SQRT1_2 Yes, but not up to date (257 days older). Edit.
    Math.SQRT2 Yes, but not up to date (257 days older). Edit.
    Math.abs() Yes, but not up to date (265 days older). Edit.
    Math.acos() Yes, but not up to date (257 days older). Edit.
    Math.acosh() Not available. Translate now.
    Math.asin() Yes, but not up to date (257 days older). Edit.
    Math.asinh() Not available. Translate now.
    Math.atan() Yes, but not up to date (258 days older). Edit.
    Math.atan2() Yes, but not up to date (258 days older). Edit.
    Math.atanh() Not available. Translate now.
    Math.cbrt() Not available. Translate now.
    Math.ceil() Yes, but not up to date (258 days older). Edit.
    Math.clz32() Not available. Translate now.
    Math.cos() Yes, but not up to date (258 days older). Edit.
    Math.cosh() Not available. Translate now.
    Math.exp() Yes, but not up to date (258 days older). Edit.
    Math.expm1() Not available. Translate now.
    Math.floor() Yes, but not up to date (258 days older). Edit.
    Math.fround() Not available. Translate now.
    Math.hypot() Not available. Translate now.
    Math.imul() Yes, but not up to date (609 days older). Edit.
    Math.log() Yes, but not up to date (258 days older). Edit.
    Math.log10() Not available. Translate now.
    Math.log1p() Not available. Translate now.
    Math.log2() Not available. Translate now.
    Math.max() Yes, but not up to date (258 days older). Edit.
    Math.min() Yes, but not up to date (258 days older). Edit.
    Math.pow() Yes, but not up to date (259 days older). Edit.
    Math.random() Yes, but not up to date (258 days older). Edit.
    Math.round() Yes, but not up to date (258 days older). Edit.
    Math.sign() Not available. Translate now.
    Math.sin() Yes, but not up to date (258 days older). Edit.
    Math.sinh() Not available. Translate now.
    Math.sqrt() Yes, but not up to date (259 days older). Edit.
    Math.tan() Yes, but not up to date (259 days older). Edit.
    Math.tanh() Not available. Translate now.
    Math.trunc() Not available. Translate now.
    NaN Yes, but not up to date (179 days older). Edit.
    Number Yes, but not up to date (150 days older). Edit.
    Number.EPSILON Not available. Translate now.
    Number.MAX_SAFE_INTEGER Not available. Translate now.
    Number.MAX_VALUE Yes, but not up to date (145 days older). Edit.
    Number.MIN_SAFE_INTEGER Not available. Translate now.
    Number.MIN_VALUE Yes, but not up to date (145 days older). Edit.
    Number.NEGATIVE_INFINITY Yes, but not up to date (144 days older). Edit.
    Number.NaN Yes, but not up to date (145 days older). Edit.
    Number.POSITIVE_INFINITY Yes, but not up to date (145 days older). Edit.
    Number.isFinite() Not available. Translate now.
    Number.isInteger() Yes, but not up to date (243 days older). Edit.
    Number.isNaN() Not available. Translate now.
    Number.isSafeInteger() Not available. Translate now.
    Number.parseFloat() Not available. Translate now.
    Number.parseInt() Not available. Translate now.
    Number.prototype Yes, but not up to date (207 days older). Edit.
    Number.prototype.toExponential() Yes, but not up to date (146 days older). Edit.
    Number.prototype.toFixed() Yes, but not up to date (146 days older). Edit.
    Number.prototype.toLocaleString() Not available. Translate now.
    Number.prototype.toPrecision() Yes, but not up to date (146 days older). Edit.
    Number.prototype.toSource() Yes, but not up to date (146 days older). Edit.
    Number.prototype.toString() Yes, and up to date
    Number.prototype.valueOf() Yes, but not up to date (252 days older). Edit.
    Number.toInteger() Not available. Translate now.
    Object Yes, but not up to date (541 days older). Edit.
    Object.assign() Not available. Translate now.
    Object.create() Yes, but not up to date (118 days older). Edit.
    Object.defineProperties() Yes, but not up to date (562 days older). Edit.
    Object.defineProperty() Yes, but not up to date (556 days older). Edit.
    Additional examples for Object.defineProperty Not available. Translate now.
    Object.freeze() Yes, but not up to date (493 days older). Edit.
    Object.getOwnPropertyDescriptor() Yes, but not up to date (801 days older). Edit.
    Object.getOwnPropertyNames() Yes, but not up to date (611 days older). Edit.
    Object.getOwnPropertySymbols() Not available. Translate now.
    Object.getPrototypeOf() Yes, but not up to date (596 days older). Edit.
    Object.is() Yes, but not up to date (624 days older). Edit.
    Object.isExtensible() Yes, but not up to date (483 days older). Edit.
    Object.isFrozen() Yes, but not up to date (546 days older). Edit.
    Object.isSealed() Yes, but not up to date (847 days older). Edit.
    Object.keys() Yes, but not up to date (596 days older). Edit.
    Object.observe() Not available. Translate now.
    Object.preventExtensions() Yes, but not up to date (849 days older). Edit.
    Object.prototype Yes, but not up to date (276 days older). Edit.
    Object.prototype.__count__ Not available. Translate now.
    Object.prototype.__defineGetter__() Yes, but not up to date (570 days older). Edit.
    Object.prototype.__defineSetter__() Yes, but not up to date (570 days older). Edit.
    Object.prototype.__lookupGetter__() Yes, but not up to date (210 days older). Edit.
    Object.prototype.__lookupSetter__() Yes, but not up to date (210 days older). Edit.
    Object.prototype.__noSuchMethod__ Yes, but not up to date (254 days older). Edit.
    Object.prototype.__parent__ Yes, but not up to date (465 days older). Edit.
    Object.prototype.__proto__ Not available. Translate now.
    Object.prototype.constructor Not available. Translate now.
    Object.prototype.eval() Yes, but not up to date (125 days older). Edit.
    Object.prototype.hasOwnProperty() Yes, but not up to date (125 days older). Edit.
    Object.prototype.isPrototypeOf() Yes, but not up to date (228 days older). Edit.
    Object.prototype.propertyIsEnumerable() Yes, but not up to date (125 days older). Edit.
    Object.prototype.toLocaleString() Yes, but not up to date (125 days older). Edit.
    Object.prototype.toSource() Yes, but not up to date (192 days older). Edit.
    Object.prototype.toString() Yes, but not up to date (125 days older). Edit.
    Object.prototype.unwatch() Yes, but not up to date (125 days older). Edit.
    Object.prototype.valueOf() Yes, but not up to date (125 days older). Edit.
    Object.prototype.watch() Yes, but translation in progress. Edit.
    Object.seal() Yes, but not up to date (620 days older). Edit.
    Object.setPrototypeOf() Not available. Translate now.
    ParallelArray Yes, but not up to date (178 days older). Edit.
    Promise Yes, but not up to date (112 days older). Edit.
    Promise.all() Not available. Translate now.
    Promise.prototype Not available. Translate now.
    Promise.prototype.catch() Not available. Translate now.
    Promise.prototype.then() Not available. Translate now.
    Promise.race() Not available. Translate now.
    Promise.reject() Not available. Translate now.
    Promise.resolve() Not available. Translate now.
    Proxy Yes, but not up to date (617 days older). Edit.
    Proxy handler Not available. Translate now.
    handler.apply() Not available. Translate now.
    handler.construct() Not available. Translate now.
    handler.defineProperty() Not available. Translate now.
    handler.deleteProperty() Not available. Translate now.
    handler.enumerate() Not available. Translate now.
    handler.get() Not available. Translate now.
    handler.getOwnPropertyDescriptor() Not available. Translate now.
    handler.getPrototypeOf() Not available. Translate now.
    handler.has() Not available. Translate now.
    handler.isExtensible() Not available. Translate now.
    handler.ownKeys() Not available. Translate now.
    handler.preventExtensions() Not available. Translate now.
    handler.set() Not available. Translate now.
    handler.setPrototypeOf() Not available. Translate now.
    Proxy.revocable() Not available. Translate now.
    RangeError Yes, and up to date
    RangeError.prototype Yes, but not up to date (140 days older). Edit.
    ReferenceError Yes, but not up to date (192 days older). Edit.
    ReferenceError.prototype Yes, but not up to date (140 days older). Edit.
    Reflect Not available. Translate now.
    RegExp Yes, but not up to date (277 days older). Edit.
    RegExp.$1-$9 Not available. Translate now.
    RegExp.input ($_) Not available. Translate now.
    RegExp.lastIndex Yes, but not up to date (243 days older). Edit.
    RegExp.lastMatch ($&) Not available. Translate now.
    RegExp.lastParen ($+) Not available. Translate now.
    RegExp.leftContext ($`) Not available. Translate now.
    RegExp.prototype Yes, but not up to date (264 days older). Edit.
    RegExp.prototype.compile() Not available. Translate now.
    RegExp.prototype.exec() Yes, but not up to date (262 days older). Edit.
    RegExp.prototype.flags Not available. Translate now.
    RegExp.prototype.global Yes, but not up to date (264 days older). Edit.
    RegExp.prototype.ignoreCase Yes, but not up to date (264 days older). Edit.
    RegExp.prototype.multiline Yes, but not up to date (264 days older). Edit.
    RegExp.prototype.source Yes, but not up to date (264 days older). Edit.
    RegExp.prototype.sticky Not available. Translate now.
    RegExp.prototype.test() Yes, but not up to date (264 days older). Edit.
    RegExp.prototype.toSource() Yes, but not up to date (244 days older). Edit.
    RegExp.prototype.toString() Yes, but not up to date (265 days older). Edit.
    RegExp.prototype.unicode Not available. Translate now.
    RegExp.rightContext ($') Not available. Translate now.
    Set Not available. Translate now.
    Set.prototype Not available. Translate now.
    Set.prototype.add() Not available. Translate now.
    Set.prototype.clear() Not available. Translate now.
    Set.prototype.delete() Not available. Translate now.
    Set.prototype.entries() Not available. Translate now.
    Set.prototype.forEach() Not available. Translate now.
    Set.prototype.has() Not available. Translate now.
    Set.prototype.size Not available. Translate now.
    Set.prototype.values() Not available. Translate now.
    Set.prototype[@@iterator]() Not available. Translate now.
    StopIteration Not available. Translate now.
    String Yes, but not up to date (245 days older). Edit.
    String.fromCharCode() Yes, but not up to date (167 days older). Edit.
    String.fromCodePoint() Not available. Translate now.
    String.length Yes, but not up to date (76 days older). Edit.
    String.prototype Yes, but not up to date (280 days older). Edit.
    String.prototype.anchor() Yes, but not up to date (172 days older). Edit.
    String.prototype.big() Yes, but not up to date (172 days older). Edit.
    String.prototype.blink() Yes, but not up to date (172 days older). Edit.
    String.prototype.bold() Yes, but not up to date (172 days older). Edit.
    String.prototype.charAt() Yes, but not up to date (264 days older). Edit.
    String.prototype.charCodeAt() Yes, but not up to date (174 days older). Edit.
    String.prototype.codePointAt() Not available. Translate now.
    String.prototype.concat() Yes, but not up to date (174 days older). Edit.
    String.prototype.endsWith() Yes, but not up to date (553 days older). Edit.
    String.prototype.fixed() Yes, but not up to date (172 days older). Edit.
    String.prototype.fontcolor() Yes, but not up to date (172 days older). Edit.
    String.prototype.fontsize() Yes, but not up to date (172 days older). Edit.
    String.prototype.includes() Not available. Translate now.
    String.prototype.indexOf() Yes, but not up to date (241 days older). Edit.
    String.prototype.italics() Yes, but not up to date (172 days older). Edit.
    String.prototype.lastIndexOf() Yes, but not up to date (174 days older). Edit.
    String.prototype.link() Yes, but not up to date (172 days older). Edit.
    String.prototype.localeCompare() Not available. Translate now.
    String.prototype.match() Yes, but not up to date (202 days older). Edit.
    String.prototype.normalize() Not available. Translate now.
    String.prototype.quote() Yes, but not up to date (199 days older). Edit.
    String.prototype.repeat() Yes, but not up to date (550 days older). Edit.
    String.prototype.replace() Yes, but not up to date (259 days older). Edit.
    String.prototype.search() Yes, but not up to date (179 days older). Edit.
    String.prototype.slice() Yes, but not up to date (180 days older). Edit.
    String.prototype.small() Yes, but not up to date (172 days older). Edit.
    String.prototype.split() Yes, but not up to date (180 days older). Edit.
    String.prototype.startsWith() Not available. Translate now.
    String.prototype.strike() Yes, but not up to date (172 days older). Edit.
    String.prototype.sub() Yes, but not up to date (172 days older). Edit.
    String.prototype.substr() Yes, but not up to date (180 days older). Edit.
    String.prototype.substring() Yes, but not up to date (251 days older). Edit.
    String.prototype.sup() Yes, but not up to date (172 days older). Edit.
    String.prototype.toLocaleLowerCase() Not available. Translate now.
    String.prototype.toLocaleUpperCase() Not available. Translate now.
    String.prototype.toLowerCase() Yes, but not up to date (181 days older). Edit.
    String.prototype.toSource() Yes, but not up to date (181 days older). Edit.
    String.prototype.toString() Yes, but not up to date (181 days older). Edit.
    String.prototype.toUpperCase() Yes, but not up to date (181 days older). Edit.
    String.prototype.trim() Yes, but not up to date (236 days older). Edit.
    String.prototype.trimLeft() Yes, but not up to date (181 days older). Edit.
    String.prototype.trimRight() Yes, but not up to date (181 days older). Edit.
    String.prototype.valueOf() Yes, but not up to date (181 days older). Edit.
    String.prototype[@@iterator]() Not available. Translate now.
    String.raw() Not available. Translate now.
    Symbol Not available. Translate now.
    Symbol.for() Not available. Translate now.
    Symbol.keyFor() Not available. Translate now.
    Symbol.prototype Not available. Translate now.
    Symbol.prototype.toSource() Not available. Translate now.
    Symbol.prototype.toString() Not available. Translate now.
    Symbol.prototype.valueOf() Not available. Translate now.
    SyntaxError Yes, but not up to date (610 days older). Edit.
    SyntaxError.prototype Yes, but not up to date (139 days older). Edit.
    TypeError Yes, but not up to date (610 days older). Edit.
    TypeError.prototype Yes, but not up to date (139 days older). Edit.
    TypedArray Yes, but not up to date (589 days older). Edit.
    TypedArray.BYTES_PER_ELEMENT Not available. Translate now.
    TypedArray.from() Not available. Translate now.
    TypedArray.name Not available. Translate now.
    TypedArray.of() Not available. Translate now.
    TypedArray.prototype Not available. Translate now.
    TypedArray.prototype.buffer Not available. Translate now.
    TypedArray.prototype.byteLength Not available. Translate now.
    TypedArray.prototype.byteOffset Not available. Translate now.
    TypedArray.prototype.copyWithin() Not available. Translate now.
    TypedArray.prototype.entries() Not available. Translate now.
    TypedArray.prototype.every() Not available. Translate now.
    TypedArray.prototype.fill() Not available. Translate now.
    TypedArray.prototype.find() Not available. Translate now.
    TypedArray.prototype.findIndex() Not available. Translate now.
    TypedArray.prototype.forEach() Not available. Translate now.
    TypedArray.prototype.includes() Not available. Translate now.
    TypedArray.prototype.indexOf() Not available. Translate now.
    TypedArray.prototype.join() Not available. Translate now.
    TypedArray.prototype.keys() Not available. Translate now.
    TypedArray.prototype.lastIndexOf() Not available. Translate now.
    TypedArray.prototype.length Not available. Translate now.
    TypedArray.prototype.move() Not available. Translate now.
    TypedArray.prototype.reduce() Not available. Translate now.
    TypedArray.prototype.reduceRight() Not available. Translate now.
    TypedArray.prototype.reverse() Not available. Translate now.
    TypedArray.prototype.set() Not available. Translate now.
    TypedArray.prototype.some() Not available. Translate now.
    TypedArray.prototype.subarray() Not available. Translate now.
    TypedArray.prototype.values() Not available. Translate now.
    TypedArray.prototype[@@iterator]() Not available. Translate now.
    URIError Yes, but not up to date (610 days older). Edit.
    URIError.prototype Yes, but not up to date (139 days older). Edit.
    Uint16Array Yes, but not up to date (589 days older). Edit.
    Uint32Array Yes, but not up to date (589 days older). Edit.
    Uint8Array Yes, but not up to date (589 days older). Edit.
    Uint8ClampedArray Not available. Translate now.
    WeakMap Yes, but not up to date (596 days older). Edit.
    WeakMap.prototype Not available. Translate now.
    WeakMap.prototype.clear() Not available. Translate now.
    WeakMap.prototype.delete() Not available. Translate now.
    WeakMap.prototype.get() Not available. Translate now.
    WeakMap.prototype.has() Not available. Translate now.
    WeakMap.prototype.set() Not available. Translate now.
    WeakSet Not available. Translate now.
    WeakSet.prototype Not available. Translate now.
    WeakSet.prototype.add() Not available. Translate now.
    WeakSet.prototype.clear() Not available. Translate now.
    WeakSet.prototype.delete() Not available. Translate now.
    WeakSet.prototype.has() Not available. Translate now.
    decodeURI() Yes, but not up to date (85 days older). Edit.
    decodeURIComponent() Yes, and up to date
    encodeURI() Yes, but not up to date (186 days older). Edit.
    encodeURIComponent() Yes, but not up to date (37 days older). Edit.
    escape() Yes, and up to date
    eval() Yes, but not up to date (567 days older). Edit.
    isFinite() Yes, but not up to date (229 days older). Edit.
    isNaN() Yes, but not up to date (179 days older). Edit.
    null Yes, but not up to date (166 days older). Edit.
    parseFloat() Yes, but not up to date (179 days older). Edit.
    parseInt() Yes, but not up to date (215 days older). Edit.
    undefined Yes, but not up to date (272 days older). Edit.
    unescape() Not available. Translate now.
    uneval() Yes, but not up to date (178 days older). Edit.
    Statements and declarations Yes, but not up to date (241 days older). Edit.
    Legacy generator function Not available. Translate now.
    block Yes, but not up to date (539 days older). Edit.
    break Yes, but not up to date (178 days older). Edit.
    const Yes, but not up to date (266 days older). Edit.
    continue Yes, but not up to date (178 days older). Edit.
    debugger Not available. Translate now.
    do...while Yes, but not up to date (178 days older). Edit.
    empty Not available. Translate now.
    export Yes, but not up to date (178 days older). Edit.
    for Yes, but not up to date (226 days older). Edit.
    for each...in Yes, and up to date
    for...in Yes, but not up to date (105 days older). Edit.
    for...of Yes, but not up to date (254 days older). Edit.
    function Yes, but not up to date (150 days older). Edit.
    function* Yes, but editorial review needed. Edit.
    if...else Yes, but not up to date (255 days older). Edit.
    import Yes, but not up to date (178 days older). Edit.
    label Yes, but not up to date (246 days older). Edit.
    let Yes, but not up to date (602 days older). Edit.
    return Yes, but not up to date (178 days older). Edit.
    switch Yes, but not up to date (249 days older). Edit.
    throw Yes, but not up to date (178 days older). Edit.
    try...catch Yes, but not up to date (279 days older). Edit.
    var Yes, but not up to date (178 days older). Edit.
    while Yes, but not up to date (219 days older). Edit.
    with Yes, but not up to date (178 days older). Edit.
    Strict mode Yes, but not up to date (316 days older). Edit.
    Transitioning to strict mode Not available. Translate now.
    Template strings Yes, but translation in progress. Edit.
    JavaScript shells Yes, but not up to date (469 days older). Edit.
    JavaScript technologies overview Not available. Translate now.
    JavaScript typed arrays Yes, but not up to date (537 days older). Edit.
    Memory Management Not available. Translate now.
    New in JavaScript Yes, but not up to date (601 days older). Edit.
    ECMAScript 5 support in Mozilla Yes, but not up to date (601 days older). Edit.
    ECMAScript 6 support in Mozilla Yes, but not up to date (56 days older). Edit.
    ECMAScript 7 support in Mozilla Not available. Translate now.
    Firefox JavaScript changelog Not available. Translate now.
    New in JavaScript 1.1 Yes, but not up to date (601 days older). Edit.
    New in JavaScript 1.2 Not available. Translate now.
    New in JavaScript 1.3 Yes, but not up to date (601 days older). Edit.
    New in JavaScript 1.4 Yes, but not up to date (601 days older). Edit.
    New in JavaScript 1.5 Yes, but not up to date (241 days older). Edit.
    New in JavaScript 1.6 Yes, but not up to date (241 days older). Edit.
    New in JavaScript 1.7 Yes, but not up to date (241 days older). Edit.
    New in JavaScript 1.8 Yes, but not up to date (241 days older). Edit.
    New in JavaScript 1.8.1 Yes, but not up to date (241 days older). Edit.
    New in JavaScript 1.8.5 Yes, but not up to date (601 days older). Edit.

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    Contributors to this page: fscholz
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