{"json_modified": "2016-08-08T04:34:32.297422", "uuid": "1904869d-a532-4c0a-bb94-4fa2de6b4f82", "title": "Map.prototype.keys()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/keys", "tags": ["Map", "Prototype", "JavaScript", "ECMAScript6", "Iterator", "Method"], "translations": [{"uuid": "d23863cc-402a-4bbc-8092-1cba21f669d0", "title": "Map.prototype.keys()", "url": "/ca/docs/Web/JavaScript/Referencia/Objectes_globals/Map/keys", "tags": [], "summary": "El m\u00e8tode <code><strong>keys()</strong></code> retorna un nou objecte <code><strong>Iterator</strong></code> que cont\u00e9 les claus per cadasc\u00fan dels elements de l'objecte <code>Map</code> en l'ordre d'insersi\u00f3.", "localization_tags": [], "locale": "ca", "last_edit": "2015-10-11T13:48:16", "review_tags": ["editorial"]}, {"uuid": "4f2d4ade-3ed8-4ee0-9a36-f6f743dfd9fe", "title": "Map.prototype.keys()", "url": "/es/docs/Web/JavaScript/Referencia/Objetos_globales/Map/keys", "tags": [], "summary": "El metodo\u00a0<code><strong>keys()</strong></code>\u00a0returna un nuevo objeto\u00a0<code><strong>Iterator</strong></code>\u00a0que contiene las llaves/keys por cada elemento en el objeto en orden de insercion.", "localization_tags": ["inprogress"], "locale": "es", "last_edit": "2016-06-16T11:09:09", "review_tags": ["editorial"]}, {"uuid": "4bb741b0-dced-468c-ad78-6c753eb74902", "title": "Map.prototype.keys()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Map/keys", "tags": ["Map", "R\u00e9f\u00e9rence", "Prototype", "JavaScript", "ECMAScript6", "Iterator", "M\u00e9thode"], "summary": "La m\u00e9thode <code><strong>keys()</strong></code> renvoie un objet <code><strong>Iterator</strong></code> qui contient les cl\u00e9s de chaque \u00e9l\u00e9ment de l'objet <code>Map</code>, dans leur ordre d'insertion.", "localization_tags": [], "locale": "fr", "last_edit": "2016-08-04T11:18:49", "review_tags": []}, {"uuid": "a5dba8e7-0156-4644-b51c-88b101b31754", "title": "Map.prototype.keys()", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/Map/keys", "tags": ["Map", "Experimental", "Prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Iterator", "Method"], "summary": "\u633f\u5165\u9806\u306b<code>Map</code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u8981\u7d20\u306e\u30ad\u30fc\u3092\u542b\u3080\u65b0\u3057\u3044<code><strong>Iterator</strong></code>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8fd4\u3057\u307e\u3059\u3002", "localization_tags": ["inprogress"], "locale": "ja", "last_edit": "2015-05-09T16:44:28", "review_tags": ["editorial"]}, {"uuid": "fbdd1ef2-ca38-4dc6-89ac-26234bf26c3a", "title": "Map.prototype.keys()", "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Map/keys", "tags": ["Map", "Prototype", "Iteraotr", "JavaScript", "ECMAScript6", "Method"], "summary": "<code><strong>keys()</strong></code> \u8fd4\u56de\u4e00\u4e2a\u65b0\u7684\u00a0<code><strong>Iterator</strong></code> \u5bf9\u8c61\u3002\u5b83\u5305\u542b\u6309\u7167\u987a\u5e8f\u63d2\u5165Map\u5bf9\u8c61\u4e2d\u6bcf\u4e2a\u5143\u7d20\u7684key\u503c\u3002", "localization_tags": [], "locale": "zh-CN", "last_edit": "2016-08-08T04:34:25", "review_tags": []}], "modified": "2016-08-04T06:23:32", "label": "Map.prototype.keys()", "localization_tags": [], "locale": "en-US", "id": 88601, "last_edit": "2016-08-04T06:22:30", "summary": "The <code><strong>keys()</strong></code> method returns a new <code><strong>Iterator</strong></code> object that contains the keys for each element in the <code>Map</code> object in insertion order.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Return_value", "title": "Return value"}, {"id": "Examples", "title": "Examples"}, {"id": "Using_keys()", "title": "Using "}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/JavaScript/Reference/Global_Objects/Map/keys", "review_tags": []}