{"json_modified": "2016-01-05T12:28:43.164770", "slug": "Web/JavaScript/Reference/Objets_globaux/WeakMap/has", "tags": ["prototype", "WeakMap", "R\u00e9f\u00e9rence", "Prototype", "JavaScript", "ECMAScript6", "Javascript", "M\u00e9thode"], "locale": "fr", "title": "WeakMap.prototype.has()", "translations": [{"title": "WeakMap.prototype.has()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "tags": ["prototype", "WeakMap", "Prototype", "JavaScript", "ECMAScript6", "Javascript", "Method"], "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.", "localization_tags": [], "locale": "en-US", "last_edit": "2016-01-04T06:26:38", "review_tags": []}, {"title": "WeakMap.prototype.has()", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has", "tags": ["WeakMap", "Experimental", "Prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "<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\u3059boolean\u3092\u8fd4\u3057\u307e\u3059\u3002", "localization_tags": ["inprogress"], "locale": "ja", "last_edit": "2015-06-21T15:07:30", "review_tags": ["editorial"]}, {"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": []}, {"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"]}], "modified": "2016-01-05T12:28:42", "label": "WeakMap.prototype.has()", "localization_tags": [], "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/WeakMap/has", "last_edit": "2016-01-05T12:28:38", "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>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntaxe", "title": "Syntaxe"}, {"id": "Param\u00e8tre", "title": "Param\u00e8tre"}, {"id": "Valeur_de_retour", "title": "Valeur de retour"}, {"id": "Exemple", "title": "Exemple"}, {"id": "Utiliser_la_m\u00e9thode_has()", "title": "Utiliser la m\u00e9thode "}, {"id": "Sp\u00e9cifications", "title": "Sp\u00e9cifications"}, {"id": "Compatibilit\u00e9_des_navigateurs", "title": "Compatibilit\u00e9 des navigateurs"}, {"id": "Notes_sp\u00e9cifiques_\u00e0_Firefox", "title": "Notes sp\u00e9cifiques \u00e0 Firefox"}, {"id": "Voir_aussi", "title": "Voir aussi"}], "id": 129641, "review_tags": []}