{"json_modified": "2016-10-23T06:01:33.088910", "uuid": "11cf70f5-2f16-4e86-8dac-21d343efc3f2", "title": "WeakMap.prototype.has()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "tags": ["WeakMap", "Prototype", "JavaScript", "ECMAScript6", "Method"], "translations": [{"uuid": "471b664b-3b2a-4332-86be-a903c83d061b", "title": "WeakMap.prototype.has()", "url": "/ca/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "tags": [], "summary": "El m\u00e8tode <code><strong>has()</strong></code> retorna un boole\u00e0 indicant si un element amb una clau especificada existeix o no en l'objecte <code>WeakMap.</code>", "localization_tags": [], "locale": "ca", "last_edit": "2015-11-13T10:46:15", "review_tags": ["editorial"]}, {"uuid": "9a866f2a-37a0-48c3-917c-460aa31fb9a3", "title": "WeakMap.prototype.has()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/WeakMap/has", "tags": ["WeakMap", "R\u00e9f\u00e9rence", "Prototype", "JavaScript", "ECMAScript6", "M\u00e9thode"], "summary": "La m\u00e9thode <code><strong>has()</strong></code> renvoie un bool\u00e9en qui indique s'il existe (ou non) un \u00e9l\u00e9ment avec une cl\u00e9 donn\u00e9e au sein de l'objet <code>WeakMap</code>.", "localization_tags": [], "locale": "fr", "last_edit": "2016-01-05T12:28:38", "review_tags": []}, {"uuid": "e1d69698-9ba9-42de-bd65-78c2f963b822", "title": "WeakMap.prototype.has()", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "tags": ["ECMAScript6", "Prototype", "WeakMap", "Method", "JavaScript"], "summary": "<code><strong>has()</strong></code> \u30e1\u30bd\u30c3\u30c9\u306f\u3001<code>WeakMap</code> \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5185\u306b\u6307\u5b9a\u3055\u308c\u305f\u30ad\u30fc\u3092\u3082\u3064\u8981\u7d20\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u793a\u3059 boolean \u3092\u8fd4\u3057\u307e\u3059\u3002", "localization_tags": [], "locale": "ja", "last_edit": "2016-10-23T06:01:15", "review_tags": []}, {"uuid": "c6f7eed9-ea49-4a97-972f-de9895606b53", "title": "WeakMap.prototype.has()", "url": "/ru/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "tags": [], "summary": "\u041c\u0435\u0442\u043e\u0434 <code><strong>has()</strong></code>\u00a0\u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0431\u0443\u043b\u0435\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043d\u0430 \u0442\u043e \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0441 \u0442\u0430\u043a\u0438\u043c \u043a\u043b\u044e\u0447\u043e\u043c \u0432 \u043e\u0431\u044a\u0435\u043a\u0442\u0435 WeakMap \u0438\u043b\u0438 \u043d\u0435\u0442.", "localization_tags": ["inprogress"], "locale": "ru", "last_edit": "2015-11-02T02:16:09", "review_tags": []}], "modified": "2016-08-23T22:20:46", "label": "WeakMap.prototype.has()", "localization_tags": [], "locale": "en-US", "id": 90699, "last_edit": "2016-01-04T06:26:38", "summary": "The <code><strong>has()</strong></code> method returns a boolean indicating whether an element with the specified key exists in the <code>WeakMap</code> object 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": "Firefox-specific_notes", "title": "Firefox-specific notes"}, {"id": "See_also", "title": "See also"}], "slug": "Web/JavaScript/Reference/Global_Objects/WeakMap/has", "review_tags": []}