{"json_modified": "2015-04-25T16:02:14.427504", "slug": "Web/JavaScript/Reference/Global_Objects/null", "tags": [], "locale": "pt-BR", "title": "null", "translations": [{"title": "null", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": ["Literal", "Primitive", "JavaScript"], "summary": "The value <code>null</code> is a JavaScript literal representing null or an \"empty\" value, i.e. no object value is present. It is one of JavaScript's <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/Primitive\" title=\"primitive values: A primitive (primitive value, primitive data type) is data that is not an object and has no methods.\">primitive values</a>.", "localization_tags": [], "locale": "en-US", "last_edit": "2014-11-18T10:13:37", "review_tags": []}, {"title": "null", "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": [], "summary": "\u503c\u00a0<code>null</code>\u00a0\u662f\u4e00\u4e2a JavaScript \u5b57\u9762\u91cf\uff0c\u8868\u793a\u7a7a\u503c\uff08null or an \"empty\" value\uff09\uff0c\u5373\u6ca1\u6709\u5bf9\u8c61\u88ab\u5448\u73b0\uff08no object value is present\uff09\u3002\u5b83\u662f JavaScript <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/Primitive\" title=\"&#x539F;&#x59CB;&#x503C;: A primitive (primitive value, primitive data type) is data that is not an Object and does not have any methods.\">\u539f\u59cb\u503c</a> \u4e4b\u4e00\u3002", "localization_tags": [], "locale": "zh-CN", "last_edit": "2014-11-19T12:33:08", "review_tags": []}, {"title": "null", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": [], "summary": "<code>null</code> \u306f Null \u578b\u306e\u552f\u4e00\u306e\u5024\u3067\u3059\u3002", "localization_tags": ["inprogress"], "locale": "ja", "last_edit": "2015-04-15T00:49:28", "review_tags": []}, {"title": "null", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/null", "tags": ["Reference", "JavaScript", "R\u00e9f\u00e9rence", "R\u00e9ference", "Literal", "Primitive"], "summary": "La valeur <code>null</code> est un litt\u00e9ral JavaScript repr\u00e9sentant la nullit\u00e9 au sens o\u00f9 aucune valeur pour l'objet n'est pr\u00e9sente.", "localization_tags": [], "locale": "fr", "last_edit": "2015-03-26T07:24:14", "review_tags": []}, {"title": "null", "url": "/ru/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": ["Literal", "Primitive", "JavaScript"], "summary": "", "localization_tags": [], "locale": "ru", "last_edit": "2014-11-19T12:31:19", "review_tags": []}, {"title": "null", "url": "/de/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": ["Literal", "Primitive", "JavaScript"], "summary": "Der Wert <code>null</code> ist ein JavaScript-Literal, welches einen null- oder \"leeren\"-Wert repr\u00e4sentiert, was bedeutet, dass kein Objekt <span class=\"dpf_sent\" id=\"dpfsent_1\">abrufbar </span>ist. <code>null</code> ist einer der <a class=\"glossaryLink\" href=\"/de/docs/Glossary/Primitive\" title=\"Die Definition dieses Ausdrucks (Primitiven Werte) wurde noch nicht geschrieben; bitte hilf mit und trage sie bei!\">Primitiven Werte</a> in Javascript", "localization_tags": [], "locale": "de", "last_edit": "2015-01-21T00:33:41", "review_tags": []}, {"title": "null", "url": "/ca/docs/Web/JavaScript/Referencia/Objectes_standard/null", "tags": [], "summary": "El valor <code>null</code> \u00e9s un literal de JavaScript que representa un valor nul o \"buit\", per exemple, quan no s'ha asignat cap valor previ. \u00c9s un dels <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/Primitive\" title=\"valors primitius: A primitive (primitive value, primitive data type) is data that is not an Object and does not have any methods.\">valors primitius</a> de JavaScript.", "localization_tags": [], "locale": "ca", "last_edit": "2015-02-12T17:01:35", "review_tags": []}, {"title": "null", "url": "/it/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": [], "summary": "Il valore\u00a0<code>null</code>\u00a0\u00e8 un valore letterale di JavaScript che rappresenta un valore \"vuoto\": nessun valore.\u00a0\u00c8 uno dei valori <a class=\"glossaryLink\" href=\"/en-US/docs/Glossary/Primitive\" title=\"primitivi: A primitive (primitive value, primitive data type) is data that is not an object and has no methods.\">primitivi</a> di JavaScript.", "localization_tags": [], "locale": "it", "last_edit": "2015-04-12T08:02:29", "review_tags": []}], "modified": "2015-04-25T16:02:11", "label": "null", "localization_tags": [], "url": "/pt-BR/docs/Web/JavaScript/Reference/Global_Objects/null", "last_edit": "2015-02-15T16:34:49", "summary": "O valor <code>null</code> \u00e9 um literal em JavaScript que representa um valor nulo ou \"vazio\" (p/ex: que aponta para um objeto inexistente). \u00c9 um dos\u00a0<a class=\"glossaryLink\" href=\"/pt-BR/docs/Glossario/Primitivo\" title=\"valores primitivos: Um&#xA0;primitivo&#xA0;(valor primitivo, tipo de dados primitivo) &#xE9; um dado que n&#xE3;o &#xE9; representado atrav&#xE9;s de um&#xA0;Objeto e, por consequ&#xEA;ncia, n&#xE3;o possui m&#xE9;todos.\">valores primitivos</a> do JavaScript.", "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 Globais Array ArrayBuffer Boolean [Translate] DataView [Translate] Date Error [Translate] EvalError [Translate] Float32Array [Translate] Float64Array [Translate] Function Generator [Translate] GeneratorFunction [Translate] Infinity Int16Array [Translate] Int32Array [Translate] Int8Array [Translate] InternalError [Translate] Intl [Translate] Intl.Collator [Translate] Intl.DateTimeFormat [Translate] Intl.NumberFormat [Translate] Iterator [Translate] JSON Map [Translate] Math NaN Number Object ParallelArray [Translate] Promise Proxy [Translate] RangeError [Translate] ReferenceError [Translate] Reflect [Translate] RegExp SIMD [Translate] Set StopIteration [Translate] String Symbol SyntaxError [Translate] TypeError [Translate] TypedArray [Translate] URIError [Translate] Uint16Array [Translate] Uint32Array [Translate] Uint8Array [Translate] Uint8ClampedArray [Translate] WeakMap WeakSet [Translate] decodeURI() [Translate] decodeURIComponent() [Translate] encodeURI() [Translate] encodeURIComponent() [Translate] escape() [Translate] eval() isFinite() [Translate] isNaN() null parseFloat() [Translate] parseInt() undefined unescape() [Translate] uneval() [Translate] Expressions & operators Operators Arithmetic operators [Translate] Array comprehensions Assignment operators [Translate] Bitwise operators [Translate] Operador V\u00edrgula Comparison operators [Translate] Operador Condicional Tern\u00e1rio Destructuring assignment [Translate] Expression closures [Translate] Generator comprehensions [Translate] Operador de Agrupamento Legacy generator function expression [Translate] Operadores L\u00f3gicos Object initializer [Translate] Preced\u00eancia de Operadores Property accessors [Translate] Spread operator [Translate] class expression [Translate] delete operator [Translate] function expression [Translate] function* expression [Translate] in operator [Translate] instanceof new operator [Translate] super [Translate] this [Translate] typeof void operator [Translate] yield [Translate] yield* [Translate] Statements & declarations Statements Legacy generator function [Translate] block [Translate] break class [Translate] const continue [Translate] debugger [Translate] do...while empty [Translate] export [Translate] for [Translate] for each...in [Translate] for...in [Translate] for...of [Translate] function [Translate] function* if...else [Translate] import [Translate] label (Etiqueta) let return [Translate] switch throw [Translate] try...catch var while [Translate] with [Translate] Functions Functions Arguments object [Translate] Arrow functions Default parameters [Translate] Method definitions [Translate] Rest parameters [Translate] getter [Translate] setter [Translate] Classes Classes [Translate] constructor [Translate] extends [Translate] static [Translate] 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 New in JavaScript [Translate] ECMAScript 5 support in Mozilla [Translate] Suporte ao ECMAScript 6 na Mozilla ECMAScript 7 support in Mozilla [Translate] Firefox JavaScript changelog [Translate] New in JavaScript 1.1 [Translate] New in JavaScript 1.2 [Translate] New in JavaScript 1.3 [Translate] New in JavaScript 1.4 [Translate] New in JavaScript 1.5 [Translate] New in JavaScript 1.6 [Translate] New in JavaScript 1.7 [Translate] New in JavaScript 1.8 [Translate] New in JavaScript 1.8.1 [Translate] New in JavaScript 1.8.5 [Translate] Documentation: Useful lists All pages index Methods index Properties index Pages tagged \"JavaScript\" Contribute JavaScript doc status The MDN project"}, {"id": "Resumo", "title": "Resumo"}, {"id": "Syntax", "title": "Sintaxe"}, {"id": "Description", "title": "Descri\u00e7\u00e3o"}, {"id": "Diferen.C3.A7as_entre_null_e_undefined", "title": "Diferen\u00e7as entre null e undefined"}, {"id": "Especifica.C3.A7.C3.B5es", "title": "Especifica\u00e7\u00f5es"}, {"id": "Compatibilidade_entre_navegadores", "title": "Compatibilidade entre navegadores"}, {"id": "See_also", "title": "Veja tamb\u00e9m"}], "id": 135983, "review_tags": []}