{"json_modified": "2015-05-09T16:44:32.598887", "slug": "Web/JavaScript/Reference/Global_Objects/Map/keys", "tags": ["Map", "Experimental", "prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Iterator", "Method"], "locale": "ja", "title": "Map.prototype.keys()", "translations": [{"title": "Map.prototype.keys()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/keys", "tags": ["Map", "Experimental", "prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Iterator", "Method"], "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.", "localization_tags": [], "locale": "en-US", "last_edit": "2014-12-10T01:07:13", "review_tags": []}, {"title": "Map.prototype.keys()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Map/keys", "tags": ["Map", "Reference", "Experimental", "R\u00e9f\u00e9rence", "prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Iterator", "Method"], "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": "2015-01-24T09:57:01", "review_tags": []}], "modified": "2015-05-09T16:44:31", "label": "Map.prototype.keys()", "localization_tags": ["inprogress"], "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/Map/keys", "last_edit": "2015-05-09T16:44:28", "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", "sections": [{"id": "Quick_Links", "title": "Standard built-in objects Map Properties Map.prototype [Translate] Map.prototype.size [Translate] Methods Map.prototype.clear() Map.prototype.delete() Map.prototype.entries() Map.prototype.forEach() Map.prototype.get() [Translate] Map.prototype.has() [Translate] Map.prototype.keys() Map.prototype.set() [Translate] Map.prototype.values() [Translate] Map.prototype[@@iterator]() [Translate] Inheritance: Function Properties Function.arguments Function.arity Function.caller Function.displayName Function.length Function.name Function.prototype Methods Function.prototype.apply() Function.prototype.bind() Function.prototype.call() Function.prototype.isGenerator() Function.prototype.toSource() Function.prototype.toString() Object Properties Object.prototype.__count__ [Translate] Object.prototype.__noSuchMethod__ Object.prototype.__parent__ Object.prototype.__proto__ [Translate] Object.prototype.constructor [Translate] Methods Object.prototype.__defineGetter__() Object.prototype.__defineSetter__() Object.prototype.__lookupGetter__() Object.prototype.__lookupSetter__() Object.prototype.hasOwnProperty() Object.prototype.isPrototypeOf() Object.prototype.propertyIsEnumerable() Object.prototype.toLocaleString() Object.prototype.toSource() Object.prototype.toString() Object.prototype.unwatch() Object.prototype.valueOf() Object.prototype.watch()"}, {"id": ".E6.A6.82.E8.A6.81", "title": "\u6982\u8981"}, {"id": ".E6.A7.8B.E6.96.87", "title": "\u69cb\u6587"}, {"id": ".E4.BE.8B", "title": "\u4f8b"}, {"id": ".E4.BE.8B.3A_keys().E3.82.92.E4.BD.BF.E3.81.86", "title": "\u4f8b: keys() \u3092\u4f7f\u3046"}, {"id": ".E4.BB.95.E6.A7.98", "title": "\u4ed5\u69d8"}, {"id": ".E3.83.96.E3.83.A9.E3.82.A6.E3.82.B6.E5.AE.9F.E8.A3.85.E7.8A.B6.E6.B3.81", "title": "\u30d6\u30e9\u30a6\u30b6\u5b9f\u88c5\u72b6\u6cc1"}, {"id": "See_also", "title": "\u95a2\u9023\u60c5\u5831"}], "id": 150093, "review_tags": ["editorial"]}