{"json_modified": "2015-05-18T07:01:42.498279", "slug": "Web/JavaScript/Reference/Global_Objects/null", "tags": [], "locale": "th", "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_globals/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 has no methods.\">valors primitius</a> de JavaScript.", "localization_tags": [], "locale": "ca", "last_edit": "2015-05-06T12:09:38", "review_tags": []}, {"title": "null", "url": "/pt-BR/docs/Web/JavaScript/Reference/Global_Objects/null", "tags": [], "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.", "localization_tags": [], "locale": "pt-BR", "last_edit": "2015-02-15T16:34:49", "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": "2015-05-18T07:01:38", "label": "null", "localization_tags": ["inprogress"], "url": "/th/docs/Web/JavaScript/Reference/Global_Objects/null", "last_edit": "2015-05-18T07:01:29", "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>.", "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 Standard built-in objects Array ArrayBuffer [Translate] Boolean [Translate] DataView [Translate] Date [Translate] Error [Translate] EvalError [Translate] Float32Array [Translate] Float64Array [Translate] Function [Translate] Generator [Translate] GeneratorFunction [Translate] Infinity [Translate] Int16Array [Translate] Int32Array [Translate] Int8Array [Translate] InternalError [Translate] Intl [Translate] Intl.Collator [Translate] Intl.DateTimeFormat [Translate] Intl.NumberFormat [Translate] Iterator [Translate] JSON [Translate] Map [Translate] Math [Translate] NaN [Translate] Number [Translate] Object [Translate] ParallelArray [Translate] Promise [Translate] Proxy [Translate] RangeError [Translate] ReferenceError [Translate] Reflect [Translate] RegExp [Translate] SIMD [Translate] SIMD.float32x4 [Translate] SIMD.float64x2 [Translate] SIMD.int16x8 [Translate] SIMD.int32x4 [Translate] SIMD.int8x16 [Translate] Set [Translate] StopIteration [Translate] String [Translate] Symbol [Translate] SyntaxError [Translate] TypeError [Translate] TypedArray [Translate] URIError [Translate] Uint16Array [Translate] Uint32Array [Translate] Uint8Array [Translate] Uint8ClampedArray [Translate] WeakMap [Translate] WeakSet [Translate] decodeURI() [Translate] decodeURIComponent() [Translate] encodeURI() [Translate] encodeURIComponent() [Translate] escape() [Translate] eval() [Translate] isFinite() [Translate] isNaN() [Translate] null [Translate] parseFloat() [Translate] parseInt() [Translate] undefined [Translate] unescape() [Translate] uneval() [Translate] Expressions & operators Expressions and operators [Translate] Arithmetic operators [Translate] Array comprehensions [Translate] Assignment operators [Translate] Bitwise operators [Translate] Comma operator [Translate] Comparison operators [Translate] Conditional (ternary) Operator [Translate] Destructuring assignment [Translate] Expression closures [Translate] Generator comprehensions [Translate] Grouping operator [Translate] Legacy generator function expression [Translate] Logical Operators [Translate] Object initializer [Translate] Operator precedence [Translate] Property accessors [Translate] Spread operator [Translate] class expression [Translate] delete operator [Translate] function expression [Translate] function* expression [Translate] in operator [Translate] instanceof [Translate] new operator [Translate] super [Translate] this [Translate] typeof [Translate] void operator [Translate] yield [Translate] yield* [Translate] Statements & declarations Statements and declarations [Translate] Legacy generator function [Translate] block [Translate] break [Translate] class [Translate] const [Translate] continue [Translate] debugger [Translate] do...while [Translate] empty [Translate] export [Translate] for [Translate] for each...in [Translate] for...in [Translate] for...of [Translate] function [Translate] function* [Translate] if...else [Translate] import [Translate] label [Translate] let [Translate] return [Translate] switch [Translate] throw [Translate] try...catch [Translate] var [Translate] while [Translate] with [Translate] Functions Functions [Translate] Arguments object [Translate] Arrow functions [Translate] 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] ECMAScript 6 support in Mozilla [Translate] 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": "Summary", "title": "Summary"}, {"id": "Syntax", "title": "Syntax"}, {"id": "Description", "title": "Description"}, {"id": "Difference_between_null_and_undefined", "title": "Difference between null and undefined"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "id": 150967, "review_tags": []}