{"json_modified": "2015-11-04T00:24:41.764761", "slug": "Web/JavaScript/Reference/Global_Objects/Map/has", "tags": [], "locale": "zh-CN", "title": "Map.prototype.has()", "translations": [{"title": "Map.prototype.has()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/has", "tags": ["Map", "Experimental", "Prototype", "JavaScript", "ECMAScript6", "Method"], "summary": "The <code><strong>has()</strong></code> method returns a boolean indicating whether an element with the specified key exists or not.", "localization_tags": [], "locale": "en-US", "last_edit": "2015-07-07T05:33:52", "review_tags": []}, {"title": "Map.prototype.has()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Map/has", "tags": ["Map", "Experimental", "Prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "La m\u00e9thode <code><strong>has()</strong></code> renvoie un bool\u00e9en permettant de d\u00e9terminer si l'objet <code>Map</code> en question contient la cl\u00e9 donn\u00e9e.", "localization_tags": [], "locale": "fr", "last_edit": "2015-07-31T11:33:17", "review_tags": []}, {"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"]}, {"title": "Map.prototype.has()", "url": "/ca/docs/Web/JavaScript/Referencia/Objectes_globals/Map/has", "tags": [], "summary": "El m\u00e8tode <code><strong>has()</strong></code> 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": []}], "modified": "2015-11-04T00:24:40", "label": "Map.prototype.has()", "localization_tags": ["inprogress"], "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Map/has", "last_edit": "2015-11-04T00:24:37", "summary": "\u65b9\u6cd5<code><strong>has()</strong></code>\u00a0\u8fd4\u56de\u4e00\u4e2abool\u503c\uff0c\u7528\u6765\u8868\u660emap \u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u5143\u7d20.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "\u8bed\u6cd5", "title": "\u8bed\u6cd5"}, {"id": "\u53c2\u6570", "title": "\u53c2\u6570"}, {"id": "\u8fd4\u56de\u503c", "title": "\u8fd4\u56de\u503c"}, {"id": "\u6848\u4f8b", "title": "\u6848\u4f8b"}, {"id": "\u4f7f\u7528has\u65b9\u6cd5", "title": "\u4f7f\u7528has\u65b9\u6cd5"}, {"id": "\u89c4\u8303", "title": "\u89c4\u8303"}, {"id": "\u6d4f\u89c8\u5668\u517c\u5bb9\u6027", "title": "\u6d4f\u89c8\u5668\u517c\u5bb9\u6027"}, {"id": "\u76f8\u5173\u94fe\u63a5", "title": "\u76f8\u5173\u94fe\u63a5"}], "id": 165419, "review_tags": []}