{"json_modified": "2016-03-28T08:32:55.154656", "uuid": "df19e5e2-2ef1-478c-bffe-c9d4a8c46944", "title": "Map.prototype.has()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/has", "tags": ["prototype", "Map", "Prototype", "JavaScript", "ECMAScript6", "Method"], "translations": [{"uuid": "c765e008-4478-4e62-a9fb-5a3dc1eeaccd", "title": "Map.prototype.has()", "url": "/ca/docs/Web/JavaScript/Referencia/Objectes_globals/Map/has", "tags": [], "summary": "El m\u00e8tode has() retorna un boole\u00e0 que indica si existeix un element amb la clau especificada o no.", "localization_tags": [], "locale": "ca", "last_edit": "2015-09-27T07:12:04", "review_tags": []}, {"uuid": "4b23c909-a171-481e-b4ef-82ba4cf83cc7", "title": "Map.prototype.has()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Map/has", "tags": ["prototype", "Map", "R\u00e9f\u00e9rence", "Prototype", "JavaScript", "ECMAScript6", "M\u00e9thode"], "summary": "La m\u00e9thode has() renvoie un bool\u00e9en permettant de d\u00e9terminer si l'objet Map en question contient la cl\u00e9 donn\u00e9e.", "localization_tags": [], "locale": "fr", "last_edit": "2015-12-29T03:57:33", "review_tags": []}, {"uuid": "34e3ac9e-16fb-46ed-b101-0923f6998dfc", "title": "Map.prototype.has()", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/Map/has", "tags": ["Map", "Experimental", "Prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "\u7279\u5b9a\u306e\u30ad\u30fc\u306b\u5bfe\u3059\u308b\u8981\u7d20\u304c\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3059boolean\u3092\u8fd4\u3057\u307e\u3059\u3002", "localization_tags": ["inprogress"], "locale": "ja", "last_edit": "2015-05-09T16:40:53", "review_tags": ["editorial"]}, {"uuid": "7f05aae8-749d-4646-b78b-7ee444df4014", "title": "Map.prototype.has()", "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Map/has", "tags": [], "summary": "\u65b9\u6cd5has()\u00a0\u8fd4\u56de\u4e00\u4e2abool\u503c\uff0c\u7528\u6765\u8868\u660emap \u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u5143\u7d20.", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2015-11-04T00:24:37", "review_tags": []}], "modified": "2016-03-02T16:45:19", "label": "Map.prototype.has()", "localization_tags": [], "locale": "en-US", "id": 88501, "last_edit": "2015-12-28T15:11:00", "summary": "The has() method returns a boolean indicating whether an element with the specified key exists or not.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Return_value", "title": "Return value"}, {"id": "Examples", "title": "Examples"}, {"id": "Using_the_has_method", "title": "Using the "}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/JavaScript/Reference/Global_Objects/Map/has", "review_tags": []}