{"json_modified": "2016-10-20T12:03:44.664378", "uuid": "a5c3473c-a01f-43fa-8938-3b3726e61b8c", "title": "Inheritance and the prototype chain", "url": "/en-US/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": ["JavaScript", "Intermediate", "OOP", "Inheritance"], "translations": [{"uuid": "1a7854fd-e723-4ac6-be19-2a16fcb3b03e", "title": "\u0987\u09a8\u09b9\u09c7\u09b0\u09bf\u099f\u09c7\u09a8\u09cd\u09b8 \u098f\u09ac\u0982 \u09aa\u09cd\u09b0\u09cb\u099f\u09cb\u099f\u09be\u0987\u09aa-\u099a\u09c7\u0987\u09a8", "url": "/bn-BD/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": ["\u0985\u09ac\u099c\u09c7\u0995\u09cd\u099f \u0993\u09b0\u09bf\u09df\u09c7\u09a8\u09cd\u099f\u09c7\u09a1 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982", "OOP", "NeedsContent", "Guide", "\u0987\u09a8\u09b9\u09c7\u09b0\u09bf\u099f\u09c7\u09a8\u09cd\u09b8", "\u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f", "JavaScript", "\u0997\u09be\u0987\u09a1", "Inheritence"], "summary": "\u09af\u09c7\u09b8\u09ac \u09a1\u09c7\u09ad\u09c7\u09b2\u09aa\u09be\u09b0 \u0986\u0997\u09c7 \u0995\u09cd\u09b2\u09be\u09b8-\u09ad\u09bf\u09a4\u09cd\u09a4\u09bf\u0995 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u09b2\u09cd\u09af\u09be\u0982\u0997\u09c1\u09df\u09c7\u099c\u09c7 (\u09af\u09c7\u09ae\u09a8 \u09b8\u09bf++ \u09ac\u09be \u099c\u09be\u09ad\u09be) \u0995\u09cb\u09a1 \u0995\u09b0\u099b\u09c7\u09a8, \u09a4\u09be\u09b0\u09be \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f\u09c7 \u0995\u09cb\u09a1 \u0995\u09b0\u09a4\u09c7 \u0997\u09bf\u09df\u09c7 \u098f\u0995\u099f\u09c1 \u09ac\u09bf\u09ad\u09cd\u09b0\u09be\u09a8\u09cd\u09a4 \u09b9\u09ac\u09c7\u09a8, \u0995\u09c7\u09a8\u09a8\u09be \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u098f\u0995\u099f\u09bf \u09a1\u09be\u09df\u09a8\u09be\u09ae\u09bf\u0995 \u09b2\u09cd\u09af\u09be\u0982\u0997\u09c1\u09df\u09c7\u099c \u0986\u09b0 \u098f\u09a4\u09c7 \u0995\u09cb\u09a8 <code>class</code> \u0987\u09ae\u09aa\u09cd\u09b2\u09bf\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b6\u09a8 \u09a8\u09c7\u0987 ( \u09af\u09a6\u09bf\u0993 <code>class </code>\u09a8\u09be\u09ae\u09c7 \u098f\u0995\u099f\u09bf \u0995\u09c0\u0993\u09df\u09be\u09b0\u09cd\u09a1 \u099c\u09be\u09ad\u09be\u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0995\u09b0\u09c7 \u09b0\u09c7\u0996\u09c7\u099b\u09c7 - \u09a4\u09be\u0987 \u098f\u0987 \u09a8\u09be\u09ae\u09c7 \u0995\u09cb\u09a8 \u09ad\u09cd\u09af\u09be\u09b0\u09bf\u09df\u09c7\u09ac\u09b2 \u09a4\u09c8\u09b0\u09bf \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09ac\u09c7\u09a8 \u09a8\u09be )\u0964", "localization_tags": ["inprogress"], "locale": "bn-BD", "last_edit": "2015-04-26T04:55:06", "review_tags": []}, {"uuid": "944f2430-3aed-4ee0-82bf-f7cdde70f4e5", "title": "Her\u00e8ncia i la cadena de prototipus", "url": "/ca/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": [], "summary": "JavaScript pot resultar una mica conf\u00fas per als desenvolupadors amb experi\u00e8ncia en llenguatges bassats en classes (com ara Java o C++), ja que degut al seu dinamisme no proporciona una implementaci\u00f3 de <code>class</code> per se (la paraula clau <code>class</code> va ser introdu\u00efda al ES6, per\u00f2 sint\u00e0cticament \u00e9s irrellevant, JavaScript continuar\u00e0 basat en prototipus).", "localization_tags": [], "locale": "ca", "last_edit": "2015-08-10T08:23:08", "review_tags": ["editorial"]}, {"uuid": "2fa01863-c9bc-4c69-b7c0-7a2812c16fcb", "title": "Vererbung und die Prototypenkette", "url": "/de/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": ["OOP", "Vererbung", "Inheritance", "JavaScript", "Intermediate", "Fortgeschrittene"], "summary": "JavaScript mag f\u00fcr Entwickler, die in klassenbasierten Sprachen (wie etwa Java oder C++) Erfahrung haben, etwas verwirrend erscheinen. Der Grund daf\u00fcr ist, dass JavaScript per se keine <code><strong>class</strong></code>-Implementierung bereitstellt (das <code><strong>class</strong></code>-Schl\u00fcsselwort wurde erst mit der ES6 Version eingef\u00fchrt. Es ist jedoch syntaktischer Zucker, JavaScript bleibt Prototyp-basiert).", "localization_tags": [], "locale": "de", "last_edit": "2016-07-22T00:50:53", "review_tags": []}, {"uuid": "beb2ffae-4051-4d14-87b3-82afa9d9c6b4", "title": "Herencia y la cadena de prototipos", "url": "/es/docs/Web/JavaScript/Herencia_y_la_cadena_de_protipos", "tags": ["Programaci\u00f3n orientada a objetos", "Herencia", "Intermedio", "JavaScript"], "summary": "JavaScript es un poco confuso para desarrolladores experimentados en lenguajes basados en clases (como Java o C++), al ser din\u00e1mico y no proporcionar una implementaci\u00f3n de clases en s\u00ed misma (la palabra clave <code>class</code> se introdujo en ES6, pero s\u00f3lo como az\u00facar sint\u00e1ctico, ya que JavaScript sigue estando basado en prototipos).", "localization_tags": ["inprogress"], "locale": "es", "last_edit": "2016-07-08T12:19:08", "review_tags": []}, {"uuid": "a79cdd9f-9e19-4058-96eb-faa8ae185b29", "title": "H\u00e9ritage et cha\u00eene de prototypes", "url": "/fr/docs/Web/JavaScript/H%C3%A9ritage_et_cha%C3%AEne_de_prototypes", "tags": ["Interm\u00e9diaire", "H\u00e9ritage", "OOP", "JavaScript"], "summary": "JavaScript peut parfois se r\u00e9v\u00e9ler d\u00e9routant, notamment pour les d\u00e9veloppeurs habitu\u00e9-es \u00e0 des langages fonctionnant avec des classes (Java ou C++ par exemple). JavaScript poss\u00e8de un typage dynamique et ne fournit pas d'impl\u00e9mentation de classe (le mot-cl\u00e9 <code>class</code> a \u00e9t\u00e9 introduit avec ECMAScript 6 mais ne fournit qu'un sucre syntaxique, JavaScript continue d'avoir un mod\u00e8le d'h\u00e9ritage bas\u00e9 sur les prototypes).", "localization_tags": [], "locale": "fr", "last_edit": "2016-10-11T10:54:21", "review_tags": []}, {"uuid": "a929bd72-3717-4300-a56c-b52b153819a4", "title": "Ereditariet\u00e0 e catena dei prototype", "url": "/it/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": ["Intermedio", "ereditariet\u00e0", "OOP", "JavaScript"], "summary": "JavaScript confonde un po' gli sviluppatori che hanno\u00a0esperienza di linguaggi basati\u00a0sulle classi (come Java o C++), siccome \u00e8 un linguaggio dinamico e non fornisce un implementazione di <code>class</code>\u00a0(la keyword <code>class</code> \u00e8 introdotto in ES6, ma \u00e8 zucchero sintattico, Javascript rimarr\u00e0 prototype-basato).", "localization_tags": ["inprogress"], "locale": "it", "last_edit": "2015-08-24T03:50:10", "review_tags": []}, {"uuid": "8b472962-7367-48d5-ac07-9623363a2203", "title": "\u7d99\u627f\u3068\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30c1\u30a7\u30fc\u30f3", "url": "/ja/docs/Web/JavaScript/Guide/Inheritance_and_the_prototype_chain", "tags": ["JavaScript", "OOP", "Inheritance"], "summary": "JavaScript \u306f\u52d5\u7684\u3067\u3001 <code>class</code> \u306e\u5b9f\u88c5\u305d\u308c\u81ea\u4f53\u3092\u63d0\u4f9b\u3057\u306a\u3044\u3053\u3068\u304b\u3089\u3001 Java \u3084 C++ \u306e\u3088\u3046\u306a\u30af\u30e9\u30b9\u30d9\u30fc\u30b9\u306e\u8a00\u8a9e\u3092\u7d4c\u9a13\u3057\u305f\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u3001\u3084\u3084\u7d1b\u3089\u308f\u3057\u3044\u3082\u306e\u3067\u3059\uff08<code>class</code> \u30ad\u30fc\u30ef\u30fc\u30c9\u306f ES6 \u3067\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u304c\u3001\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u30b7\u30e5\u30ac\u30fc\u3067\u3042\u308a\u3001JavaScript \u306f\u5f15\u304d\u7d9a\u304d\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u30d9\u30fc\u30b9\u3067\u3059\uff09\u3002", "localization_tags": [], "locale": "ja", "last_edit": "2016-08-23T10:40:19", "review_tags": []}, {"uuid": "945f5f2d-0b1d-489e-a735-ef13b70c288c", "title": "\uc0c1\uc18d\uacfc \ud504\ub85c\ud1a0\ud0c0\uc785", "url": "/ko/docs/Web/JavaScript/Guide/Inheritance_and_the_prototype_chain", "tags": ["\uc911\uae09", "\uc0c1\uc18d", "\uac1d\uccb4\uc9c0\ud5a5", "JavaScript"], "summary": "Java \ub098 C++ \uac19\uc774 \ud074\ub798\uc2a4\ub97c \uae30\ubc18\uc73c\ub85c\ud55c \uc5b8\uc5b4\ub97c \uc0ac\uc6a9\ud558\ub358 \ud504\ub85c\uadf8\ub798\uba38\ub4e4\uc740 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c \ud074\ub798\uc2a4\uac00 \uc5c6\ub2e4\ub294 \uac83\uc744 \uc774\uc0c1\ud558\uac8c \uc0dd\uac01\ud55c\ub2e4. \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\ub294 \ud074\ub798\uc2a4\ub97c \uc9c0\uc6d0\ud558\uc9c0 \uc54a\ub294\ub2e4. (\ud558\uc9c0\ub9cc\u00a0<code>class</code>\u00a0\ud0a4\uc6cc\ub4dc\ub294 \uc608\uc57d\uc5b4\uc774\uae30 \ub54c\ubb38\uc5d0 \ubcc0\uc218 \uc774\ub984\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\ub2e4)", "localization_tags": [], "locale": "ko", "last_edit": "2016-07-05T07:29:13", "review_tags": ["editorial"]}, {"uuid": "27034c16-8113-4c7e-9a19-ca8ce4709520", "title": "Dziedziczenie i \u0142a\u0144cuch prototyp\u00f3w", "url": "/pl/docs/Web/JavaScript/dziedziczenie_lancuch_prototypow", "tags": ["Dziedziczenie", "OOP", "JavaScript"], "summary": "JavaScript is a bit confusing for developers experienced in class-based languages (like Java or C++), as it is dynamic and does not provide a <code>class</code> implementation per se (the <code>class</code> keyword is introduced in ES6, but is syntactical sugar, JavaScript remaining prototype-based).", "localization_tags": ["inprogress"], "locale": "pl", "last_edit": "2016-05-09T14:36:44", "review_tags": []}, {"uuid": "470ca191-8c2e-4ac2-abf6-606af20f2161", "title": "Heran\u00e7a e cadeia de prot\u00f3tipos (prototype chain)", "url": "/pt-BR/docs/Web/JavaScript/Guide/Inheritance_and_the_prototype_chain", "tags": ["heran\u00e7a intermedi\u00e1rio JavaScript OOP"], "summary": "JavaScript \u00e9 um pouco confuso para desenvolvedores com experi\u00eancia em linguagens baseadas em classes (como Java ou C++), porque \u00e9 din\u00e2mico e n\u00e3o disp\u00f5e de uma implementa\u00e7\u00e3o de <code>class</code> (atrav\u00e9s da palavra-chave reservada <code>class </code>e n\u00e3o pode ser usada com um nome de vari\u00e1vel).", "localization_tags": [], "locale": "pt-BR", "last_edit": "2016-09-01T10:58:43", "review_tags": ["editorial"]}, {"uuid": "ce7c6574-6948-4577-80aa-645e25590d14", "title": "\u041d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u0438 \u0446\u0435\u043f\u043e\u0447\u043a\u0430 \u043f\u0440\u043e\u0442\u043e\u0442\u0438\u043f\u043e\u0432", "url": "/ru/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": [], "summary": "\u041c\u043e\u0434\u0435\u043b\u044c \u043d\u0430\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0432 JavaScript \u043c\u043e\u0436\u0435\u0442 \u043e\u0437\u0430\u0434\u0430\u0447\u0438\u0442\u044c \u043e\u043f\u044b\u0442\u043d\u044b\u0445 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043d\u0430 \u0432\u044b\u0441\u043e\u043a\u043e\u0443\u0440\u043e\u0432\u043d\u0435\u0432\u044b\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u043d\u043e-\u043e\u0440\u0438\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u044f\u0437\u044b\u043a\u0430\u0445 (\u0442\u0430\u043a\u0438\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043a\u0430\u043a Java \u0438\u043b\u0438 C++), \u0442\u0430\u043a \u043a\u0430\u043a \u043e\u043d\u0430 \u0434\u0438\u043d\u0430\u043c\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0438 \u043d\u0435 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043f\u043e\u043d\u044f\u0442\u0438\u044f <code>class</code> (\u0445\u043e\u0442\u044f \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0435 \u0441\u043b\u043e\u0432\u043e <code>class</code> \u0438 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0437\u0430\u0440\u0435\u0437\u0435\u0440\u0432\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c, \u0442.\u0435., \u043d\u0435 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u043e \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0438\u043c\u0435\u043d\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439).", "localization_tags": [], "locale": "ru", "last_edit": "2016-10-14T01:43:10", "review_tags": ["editorial"]}, {"uuid": "7a0d0583-ba43-4780-aa6d-6ee50a2ef5b6", "title": "\u7ee7\u627f\u4e0e\u539f\u578b\u94fe", "url": "/zh-CN/docs/Web/JavaScript/Inheritance_and_the_prototype_chain", "tags": ["\u4e2d\u7ea7", "\u7ee7\u627f", "\u9762\u5411\u5bf9\u8c61", "OOP", "JavaScript"], "summary": "\u5bf9\u4e8e\u90a3\u4e9b\u719f\u6089\u57fa\u4e8e\u7c7b\u7684\u9762\u5411\u5bf9\u8c61\u8bed\u8a00\uff08Java \u6216\u8005 C++\uff09\u7684\u5f00\u53d1\u8005\u6765\u8bf4\uff0cJavaScript \u7684\u8bed\u6cd5\u662f\u6bd4\u8f83\u602a\u5f02\u7684\uff0c\u8fd9\u662f\u7531\u4e8e JavaScript \u662f\u4e00\u95e8\u52a8\u6001\u8bed\u8a00\uff0c\u800c\u4e14\u5b83\u6ca1\u6709<code>\u7c7b\u7684\u6982\u5ff5</code>\uff08\u00a0ES6 \u65b0\u589e\u4e86class \u5173\u952e\u5b57\uff0c\u4f46\u53ea\u662f\u8bed\u6cd5\u7cd6\uff0cJavaScript \u4ecd\u65e7\u662f\u57fa\u4e8e\u539f\u578b\uff09\u3002", "localization_tags": [], "locale": "zh-CN", "last_edit": "2016-09-29T05:59:46", "review_tags": []}], "modified": "2016-10-20T12:03:41", "label": "Inheritance and the prototype chain", "localization_tags": [], "locale": "en-US", "id": 2129, "last_edit": "2016-10-11T03:50:50", "summary": "JavaScript is a bit confusing for developers experienced in class-based languages (like Java or C++), as it is dynamic and does not provide a <code>class</code> implementation per se (the <code>class</code> keyword is introduced in ES6, but is syntactical sugar, JavaScript remains prototype-based).", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Inheritance_with_the_prototype_chain", "title": "Inheritance with the prototype chain"}, {"id": "Inheriting_properties", "title": "Inheriting properties"}, {"id": "Inheriting_methods", "title": "Inheriting \"methods\""}, {"id": "Different_ways_to_create_objects_and_the_resulting_prototype_chain", "title": "Different ways to create objects and the resulting prototype chain"}, {"id": "Objects_created_with_syntax_constructs", "title": "Objects created with syntax constructs"}, {"id": "With_a_constructor", "title": "With a constructor"}, {"id": "With_Object.create", "title": "With "}, {"id": "With_the_class_keyword", "title": "With the\u00a0"}, {"id": "Performance", "title": "Performance"}, {"id": "Bad_practice_Extension_of_native_prototypes", "title": "Bad practice: Extension of native prototypes"}, {"id": "Example", "title": "Example"}, {"id": "prototype_and_Object.getPrototypeOf", "title": null}, {"id": "In_conclusion", "title": "In conclusion"}], "slug": "Web/JavaScript/Inheritance_and_the_prototype_chain", "review_tags": []}