{"json_modified": "2015-04-26T06:00:32.117348", "slug": "Web/JavaScript/Enumerability_and_ownership_of_properties", "tags": [], "locale": "ca", "title": "Enumerabilitat i pertanyen\u00e7a de les propietats", "translations": [{"title": "Enumerability and ownership of properties", "url": "/en-US/docs/Web/JavaScript/Enumerability_and_ownership_of_properties", "tags": ["JavaScript"], "summary": "Enumerable properties are those which can be iterated by a <a href=\"/en-US/docs/JavaScript/Reference/Statements/for...in\">for..in loop</a>. Ownership of properties is determined by whether the property belongs to the object directly and not to its prototype chain. Properties of an object can also be retrieved in total. There are a number of built-in means of detecting, iterating/enumerating, and retrieving object properties, with the chart showing which are available. Some sample code follows which demonstrates how to obtain the missing categories.", "localization_tags": [], "locale": "en-US", "last_edit": "2014-12-11T02:04:33", "review_tags": []}, {"title": "\u5c5e\u6027\u7684\u53ef\u679a\u4e3e\u6027\u548c\u6240\u6709\u6743", "url": "/zh-CN/docs/Enumerability_and_ownership_of_properties", "tags": [], "summary": "\u53ef\u679a\u4e3e\u5c5e\u6027\u662f\u6307\u90a3\u4e9b\u53ef\u4ee5\u901a\u8fc7\u00a0<a href=\"https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Statements/for...in\">for..in \u5faa\u73af</a>\u00a0\u5faa\u73af\u904d\u5386\u5230\u7684\u548c\u5c5e\u6027.", "localization_tags": [], "locale": "zh-CN", "last_edit": "2015-01-27T19:03:57", "review_tags": []}, {"title": "Caract\u00e8re \u00e9num\u00e9rable des propri\u00e9t\u00e9s et rattachement", "url": "/fr/docs/Web/JavaScript/Caract%C3%A8re_%C3%A9num%C3%A9rable_des_propri%C3%A9t%C3%A9s_et_rattachement", "tags": ["JavaScript"], "summary": "", "localization_tags": [], "locale": "fr", "last_edit": "2015-01-01T00:20:32", "review_tags": []}, {"title": "Enumeraci\u00f3n y propietarios de propiedades", "url": "/es/docs/Web/JavaScript/enumeracion_y_propietario_de_propiedades", "tags": ["Enumeraci\u00f3n", "Propiedades", "JavaScript"], "summary": "Las propiedades enumerables son aquellas que pueden ejecutarse repetidamente en un ciclo\u00a0<a href=\"/en-US/docs/JavaScript/Reference/Statements/for...in\">ciclo for..in</a>.", "localization_tags": ["inprogress"], "locale": "es", "last_edit": "2015-04-12T04:12:20", "review_tags": []}], "modified": "2015-04-26T06:00:30", "label": "Enumerabilitat i pertanyen\u00e7a de les propietats", "localization_tags": [], "url": "/ca/docs/Web/JavaScript/Enumerability_and_ownership_of_properties", "last_edit": "2015-03-08T13:35:12", "summary": "Les propietats enumerables s\u00f3n aquelles que es poden iterar en un <a href=\"/en-US/docs/JavaScript/Reference/Statements/for...in\">bucle for..in</a>. La pertanyen\u00e7a de les propietats \u00e9s determinada pel fet de si la propietat pertany directament a l'objecte en comptes de la seva cadena de prototipus. Les propietats d'un objecte tamb\u00e9 poden ser contades per a obtenir el nombre de propietats. Hi ha diverses formes de detectar, iterar/enumerar i obtindre les propietats d'un objecte. Es pot veure a la taula quines es poden emprar en cada cas. A continuaci\u00f3 trobareu un boc\u00ed de codi d'exemple on es mostra com otenir les categories no trobades.", "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 Objectes Standard Array [Translate] ArrayBuffer [Translate] Boolean DataView [Translate] Date Error EvalError [Translate] Float32Array [Translate] Float64Array [Translate] Function [Translate] 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 Math NaN Number Object [Translate] ParallelArray [Translate] Promise [Translate] Proxy [Translate] RangeError [Translate] ReferenceError [Translate] Reflect [Translate] RegExp [Translate] SIMD [Translate] Set [Translate] StopIteration [Translate] String 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 parseFloat() [Translate] parseInt() [Translate] undefined unescape() [Translate] uneval() [Translate] Expressions & operators Expressions and operators Operadors aritm\u00e8tics Array comprehensions [Translate] Assignment operators Operadors de bits Operador Coma Comparison operators [Translate] Operador Condicional (ternari) Destructuring assignment [Translate] Expression closures [Translate] Generator comprehensions [Translate] Operador d'agrupament Legacy generator function expression [Translate] Operadors L\u00f2gics Object initializer [Translate] Operator precedence [Translate] Property accessors [Translate] Spread operator [Translate] class expression [Translate] Operador delete function expression [Translate] function* expression [Translate] in operator [Translate] instanceof [Translate] new operator [Translate] super this [Translate] typeof L'operador void yield yield* [Translate] Statements & declarations Statements and declarations Legacy generator function [Translate] block break [Translate] class [Translate] const [Translate] continue [Translate] debugger [Translate] do...while [Translate] Buida export [Translate] for for each...in [Translate] for...in [Translate] for...of function function* [Translate] if...else import [Translate] label [Translate] let [Translate] return switch [Translate] throw [Translate] try...catch [Translate] var [Translate] while 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 constructor extends [Translate] 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 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": "Obtindre_propietats_per_enumerabilitat.2Fpertanyen.C3.A7a", "title": "Obtindre propietats per enumerabilitat/pertanyen\u00e7a"}, {"id": "Taula_de_detecci.C3.B3", "title": "Taula de detecci\u00f3"}, {"id": "Vegeu_tamb.C3.A9", "title": "Vegeu tamb\u00e9"}], "id": 145101, "review_tags": ["editorial"]}