{"json_modified": "2015-04-26T08:01:38.260317", "slug": "Web/JavaScript/Acerca_de_JavaScript", "tags": ["JavaScript"], "locale": "es", "title": "Acerca de JavaScript", "translations": [{"title": "About JavaScript", "url": "/en-US/docs/Web/JavaScript/About_JavaScript", "tags": ["JavaScript"], "summary": "<strong>JavaScript</strong><sup>\u00ae</sup> (often shortened to <strong>JS</strong>) is a lightweight, interpreted, object-oriented language with <a href=\"https://en.wikipedia.org/wiki/First-class_functions\" title=\"https://en.wikipedia.org/wiki/First-class_functions\">first-class functions</a>, most known as the scripting language for Web pages, but <a class=\"external\" href=\"https://en.wikipedia.org/wiki/JavaScript#Uses_outside_web_pages\">used in many non-browser environments</a> as well. It is a <a class=\"mw-redirect\" href=\"https://en.wikipedia.org/wiki/Prototype-based_programming\" title=\"Prototype-based\">prototype-based</a>, multi-paradigm scripting language that is dynamic, and supports object-oriented, imperative, and functional programming styles.", "localization_tags": [], "locale": "en-US", "last_edit": "2015-04-17T00:22:21", "review_tags": []}, {"title": "About JavaScript", "url": "/zh-TW/docs/Web/JavaScript/About_JavaScript", "tags": [], "summary": "JavaScript<sup>\u00ae</sup> \u662f\u88ab\u7528\u5728\u4e0a\u767e\u842c\u7684\u7db2\u9801\u548c\u4f3a\u670d\u5668\u61c9\u7528\u7a0b\u5f0f\u7684\u4e00\u7a2e\u7db2\u666f\u958b\u767c\u7269\u4ef6\u8173\u672c\u8a9e\u8a00\u3002Netscape's JavaScript \u662f ECMA-262 Edition 3 (<a href=\"/en-US/docs/JavaScript/Language_Resources\" title=\"ECMAScript\">ECMAScript</a>)\u7684\u57fa\u790e\u6a19\u6e96\u8173\u672c\u8a9e\u8a00\uff0c\u5169\u8005\u4e4b\u9593\u5f9e\u516c\u4f48\u7684\u6a19\u6e96\u53ea\u6709\u8f15\u5fae\u7684\u5dee\u7570\u3002", "localization_tags": [], "locale": "zh-TW", "last_edit": "2015-03-21T16:08:09", "review_tags": []}, {"title": "\u5173\u4e8e JavaScript", "url": "/zh-CN/docs/Web/JavaScript/Reference/About", "tags": ["JavaScript"], "summary": "<span class=\"external\">JavaScript</span><sup>\u00ae</sup> \u662f\u7f51\u666f\u516c\u53f8\u5f00\u53d1\u7684\u9762\u5411\u5bf9\u8c61\u7684\u811a\u672c\u8bed\u8a00\uff0c\u7528\u5728\u4e16\u754c\u8303\u56f4\u5185\u88ab\u6210\u5343\u4e0a\u4e07\u7684\u7f51\u9875\u548c\u670d\u52a1\u5668\u7a0b\u5e8f\u4e2d\u3002\u7f51\u666f\u7684 JavaScript \u662f ECMA-262 Edition 3 (<a href=\"/zh-CN/docs/Web/JavaScript/Language_Resources\" title=\"zh-CN/docs/ECMAScript\">ECMAScript</a>) \u6807\u51c6\u811a\u672c\u8bed\u8a00\u7684\u8d85\u96c6\uff0c\u548c\u53d1\u5e03\u7684\u6807\u51c6\u53ea\u6709\u4e00\u4e9b\u5c0f\u5c0f\u7684\u4e0d\u540c\u3002", "localization_tags": [], "locale": "zh-CN", "last_edit": "2015-01-31T00:42:12", "review_tags": []}, {"title": "\u00c0 propos de JavaScript", "url": "/fr/docs/Web/JavaScript/A_propos", "tags": ["JavaScript"], "summary": "<a class=\"external\" href=\"https://fr.wikipedia.org/wiki/JavaScript\">JavaScript</a><sup>\u00ae</sup>, souvent abr\u00e9g\u00e9 en JS, est le langage de script d\u00e9velopp\u00e9 par Netscape utilis\u00e9 dans des millions de pages web et d'applications serveur dans le monde entier. Le JavaScript de Netscape est une extension du langage de script standard ECMA-262 Edition 3 (ECMAScript), ne diff\u00e9rant que l\u00e9g\u00e8rement des standards publi\u00e9s. JavaScript est un langage l\u00e9ger, interpr\u00e9t\u00e9, orient\u00e9 objet (les fonctions \u00e9tant des objets \u00e0 part enti\u00e8re).", "localization_tags": [], "locale": "fr", "last_edit": "2015-04-20T03:52:13", "review_tags": []}, {"title": "About JavaScript", "url": "/ko/docs/Web/JavaScript/About", "tags": [], "summary": "<span class=\"external\">JavaScript</span><sup>\u00ae</sup>\u00a0\ub294 Netscape\uc5d0\uc11c \uac1c\ubc1c\ub41c \uac1d\uccb4 \uc2a4\ud06c\ub9bd\ud2b8 \uc5b8\uc5b4\ub85c \uc804\uc138\uacc4\uc801\uc73c\ub85c, \uc218\ubc31\ub9cc\uc758 \uc6f9\ud398\uc774\uc9c0\uc640 \uc11c\ubc84 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0ac\uc6a9\ub418\uace0 \uc788\ub2e4. Netscape\uc758 JavaScript\ub294 \u00a0\ud45c\uc900 \uc2a4\ud06c\ub9bd\ud2b8 \uc5b8\uc5b4\uc778 ECMA-262 \uac1c\uc815 3\ud310 (<a href=\"/en-US/docs/Web/JavaScript/Language_Resources\" title=\"en-US/docs/ECMAScript\">ECMAScript</a>)\uc758 \u00a0\uc0c1\uc704\uc138\ud2b8\ub85c \uacf5\uac1c\ub41c \uaddc\uaca9\uacfc \uac70\uc758 \ucc28\uc774\uac00 \uc5c6\ub2e4.", "localization_tags": [], "locale": "ko", "last_edit": "2014-11-27T04:31:40", "review_tags": []}, {"title": "JavaScript \u306b\u3064\u3044\u3066", "url": "/ja/docs/Web/JavaScript/About_JavaScript", "tags": ["\u79fb\u884c", "JavaScript"], "summary": "<span class=\"external\">JavaScript</span>\u00ae \u306f\u3001Netscape \u304c\u958b\u767a\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u8a00\u8a9e\u3067\u3001 \u591a\u304f\u306e\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u3084\u30b5\u30fc\u30d0\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4e16\u754c\u4e2d\u3067\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002 Netscape \u306e JavaScript \u306f\u3001ECMA-262 \u6539\u8a023\u7248 (<a href=\"/ja/docs/JavaScript/Language_Resources\" title=\"JavaScript/Language_Resources\">ECMAScript</a>) \u6a19\u6e96\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\u8a00\u8a9e\u306e \u30b9\u30fc\u30d1\u30fc\u30bb\u30c3\u30c8\u3067\u3001\u516c\u5e03\u3055\u308c\u3066\u3044\u308b\u898f\u683c\u3068\u306f\u307b\u3068\u3093\u3069\u9055\u3044\u304c\u3042\u308a\u307e\u305b\u3093\u3002", "localization_tags": [], "locale": "ja", "last_edit": "2014-06-04T07:52:21", "review_tags": []}, {"title": "About JavaScript", "url": "/pt-BR/docs/Web/JavaScript/About_JavaScript", "tags": [], "summary": "<span class=\"external\">JavaScript</span><sup>\u00ae</sup> is the Netscape-developed object scripting language used in millions of web pages and server applications worldwide. Netscape's JavaScript is a superset of the ECMA-262 Edition 3 (<a href=\"/en-US/docs/JavaScript/Language_Resources\" title=\"en-US/docs/ECMAScript\">ECMAScript</a>) standard scripting language, with only mild differences from the published standard.", "localization_tags": [], "locale": "pt-BR", "last_edit": "2014-06-24T06:57:33", "review_tags": []}, {"title": "About JavaScript", "url": "/de/docs/Web/JavaScript/About_JavaScript", "tags": [], "summary": "<span class=\"external\">JavaScript</span><sup>\u00ae</sup> is the Netscape-developed object scripting language used in millions of web pages and server applications worldwide. Netscape's JavaScript is a superset of the ECMA-262 Edition 3 (<a href=\"/en-US/docs/Web/JavaScript/Language_Resources\" title=\"en-US/docs/ECMAScript\">ECMAScript</a>) standard scripting language, with only mild differences from the published standard.", "localization_tags": ["inprogress"], "locale": "de", "last_edit": "2014-11-12T14:32:29", "review_tags": []}, {"title": "Quant a JavaScript", "url": "/ca/docs/Web/JavaScript/quant_a_JavaScript", "tags": [], "summary": "<span class=\"external\">JavaScript</span><sup>\u00ae</sup> \u00e9s el llenguatge de tipus scripting orientat a objectes desenvolupat per Netscape, utilitzat en millions de p\u00e0gines web i aplicacions de servidor arreu del m\u00f3n. El JavaScript de Netscape ext\u00e9n el llenguatge de scripting standard definit a l'ECMA-262 Edici\u00f3 3 (<a href=\"/en-US/docs/Web/JavaScript/Language_Resources\" title=\"en-US/docs/ECMAScript\">ECMAScript</a>), amb nom\u00e9s lleus difer\u00e8ncies de l'standard publicat.", "localization_tags": [], "locale": "ca", "last_edit": "2015-03-08T09:02:21", "review_tags": []}, {"title": "\u041e JavaScript", "url": "/ru/docs/Web/JavaScript/%D0%9E_JavaScript", "tags": ["JavaScript"], "summary": "JavaScript<sup><span style=\"line-height: 1.5;\">\u00ae\u00a0</span></sup>\u2014<span style=\"line-height: 1.5;\">\u00a0\u044d\u0442\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u044b\u0439 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432\u044b\u0439 \u044f\u0437\u044b\u043a, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Netscape, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430\u043c\u0438 \u0432\u0435\u0431-\u0441\u0442\u0440\u0430\u043d\u0438\u0446 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043f\u043e \u0432\u0441\u0435\u043c\u0443 \u043c\u0438\u0440\u0443. JavaScript \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435\u043c \u044f\u0437\u044b\u043a\u0430 ECMA-262 Edition 3 (<a href=\"https://developer.mozilla.org/ru/docs/Web/JavaScript/Language_Resources\">ECMAScript</a>) \u0441 \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0438\u043c\u0438 \u043e\u0442\u043b\u0438\u0447\u0438\u044f\u043c\u0438 \u043e\u0442 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430.</span>", "localization_tags": [], "locale": "ru", "last_edit": "2015-03-19T05:35:27", "review_tags": ["editorial"]}], "modified": "2015-04-26T08:01:35", "label": "Acerca de JavaScript", "localization_tags": [], "url": "/es/docs/Web/JavaScript/Acerca_de_JavaScript", "last_edit": "2015-04-26T08:01:27", "summary": "<a class=\"external\" href=\"https://www.instantweb.com/~foldoc/foldoc.cgi?query=javascript\">JavaScript</a><sup>\u00ae</sup><span class=\"goog-gtc-unit\" id=\"goog-gtc-unit-2\"><span class=\"goog-gtc-translatable goog-gtc-from-human\" dir=\"ltr\">es el lenguaje interpretado orientado a objetos desarrollado por Netscape que se utiliza en millones de p\u00e1ginas web y aplicaciones de servidor en todo el mundo.</span></span> <span class=\"goog-gtc-unit\" id=\"goog-gtc-unit-3\"><span class=\"goog-gtc-translatable goog-gtc-from-human\" dir=\"ltr\">JavaScript de Netscape es un superconjunto del lenguaje de scripts est\u00e1ndar de la edici\u00f3n de ECMA-262 3</span></span> (<a href=\"/en/ECMAScript\" title=\"en/ECMAScript\">ECMAScript</a>) <span class=\"goog-gtc-unit\" id=\"goog-gtc-unit-3\"><span class=\"goog-gtc-translatable goog-gtc-from-human\" dir=\"ltr\">que presenta s\u00f3lo leves diferencias respecto a la norma publicada.</span></span>", "sections": [{"id": "Quick_Links", "title": "JavaScript Tutorials: JavaScript Guide Introduction Grammar and types Control flow and error handling Loops and iteration Functions Expressions and operators Numbers and dates Text formatting Regular expressions Indexed collections Keyed collections Working with objects Details of the object model Iterators and generators Meta programming Introductory JavaScript basics JavaScript technologies overview Introduction to Object Oriented JavaScript Intermediate A re-introduction to JavaScript JavaScript data structures Equality comparisons and sameness Closures Advanced Inheritance and the prototype chain Strict mode JavaScript typed arrays Memory Management Concurrency model and Event Loop References: Built-in objects Objetos globales Array ArrayBuffer [Traducir] Boolean DataView [Traducir] Date Error EvalError [Traducir] Float32Array [Traducir] Float64Array [Traducir] Function Generator [Traducir] GeneratorFunction [Traducir] Infinity Int16Array [Traducir] Int32Array [Traducir] Int8Array [Traducir] InternalError [Traducir] Intl [Traducir] Intl.Collator [Traducir] Intl.DateTimeFormat [Traducir] Intl.NumberFormat Iterator [Traducir] JSON Map Math NaN Number Object ParallelArray [Traducir] Promesa Proxy [Traducir] RangeError [Traducir] ReferenceError [Traducir] Reflect [Traducir] RegExp SIMD [Traducir] Set [Traducir] StopIteration [Traducir] String Symbol [Traducir] SyntaxError [Traducir] TypeError TypedArray [Traducir] URIError [Traducir] Uint16Array [Traducir] Uint32Array [Traducir] Uint8Array [Traducir] Uint8ClampedArray [Traducir] WeakMap WeakSet [Traducir] decodeURI() decodeURIComponent encodeURI encodeURIComponent escape() [Traducir] eval isFinite() isNaN null [Traducir] parseFloat parseInt() undefined unescape() [Traducir] uneval() [Traducir] Expressions & operators Operadores Aritm\u00e9ticos Array comprehensions [Traducir] Assignment operators [Traducir] Bitwise operators [Traducir] Comma operator [Traducir] Comparison operators [Traducir] Conditional (ternary) Operator [Traducir] Destructuring assignment [Traducir] Expression closures [Traducir] Generator comprehensions [Traducir] Grouping operator [Traducir] Legacy generator function expression [Traducir] Logical Operators [Traducir] Object initializer [Traducir] Precedencia de operadores Miembros Spread operator [Traducir] class expression [Traducir] operador delete function function* expression [Traducir] in instanceof new super [Traducir] this typeof void yield [Traducir] yield* [Traducir] Statements & declarations Sentencias Legacy generator function [Traducir] block break class [Traducir] const continue debugger [Traducir] do...while empty [Traducir] export for for each...in for...in for...of [Traducir] function function* [Traducir] if...else import [Traducir] label let [Traducir] return switch [Traducir] throw try...catch var while with [Traducir] Functions Funciones Objeto arguments Arrow functions [Traducir] Default parameters [Traducir] Method definitions [Traducir] Rest parameters [Traducir] get setter [Traducir] Classes Classes constructor [Traducir] extends [Traducir] static Misc Lexical grammar JavaScript data structures Enumerability and ownership of properties Iteration protocols Strict mode Transitioning to strict mode Template strings Deprecated features New in JavaScript Novedades en JavaScript ECMAScript 5 support in Mozilla [Traducir] ECMAScript 6 support in Mozilla ECMAScript 7 support in Mozilla [Traducir] Firefox JavaScript changelog [Traducir] New in JavaScript 1.1 [Traducir] New in JavaScript 1.2 [Traducir] New in JavaScript 1.3 [Traducir] New in JavaScript 1.4 [Traducir] Novedades en Javascript 1.5 Novedades en JavaScript 1.6 Novedades en JavaScript 1.7 Novedades en JavaScript 1.8 New in JavaScript 1.8.1 [Traducir] Novedades en JavaScript 1.8.5 Documentation: Useful lists All pages index Methods index Properties index Pages tagged \"JavaScript\" Contribute JavaScript doc status The MDN project"}, {"id": ".C2.BFQu.C3.A9_es_JavaScript.3F", "title": "\u00bfQu\u00e9 es JavaScript?"}, {"id": ".C2.BFQu.C3.A9_implementaciones_de_JavaScript_est.C3.A1n_disponibles.3F", "title": "\u00bfQu\u00e9 implementaciones de JavaScript est\u00e1n disponibles?"}, {"id": "Recursos_sobre_JavaScript", "title": "Recursos sobre JavaScript"}], "id": 5401, "review_tags": []}