{"json_modified": "2016-02-05T23:51:31.645741", "slug": "Web/JavaScript/Reference/Global_Objects/Array/findIndex", "tags": ["prototype", "polyfill", "Array", "Prototype", "JavaScript", "ECMAScript6", "Method"], "locale": "ja", "title": "Array.prototype.findIndex()", "translations": [{"title": "Array.prototype.findIndex()", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex", "tags": ["prototype", "polyfill", "Array", "Prototype", "JavaScript", "ECMAScript6", "Method"], "summary": "The <code><strong>findIndex()</strong></code> method returns an <strong>index</strong> in the array, if an element in the array satisfies the provided testing function. Otherwise -1 is returned.", "localization_tags": [], "locale": "en-US", "last_edit": "2015-12-25T08:58:45", "review_tags": []}, {"title": "Array.prototype.findIndex()", "url": "/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex", "tags": ["Array", "Prototype", "Method", "prototype", "JavaScript"], "summary": "<code><strong>findIndex()</strong></code>\u65b9\u6cd5\u7528\u6765\u67e5\u627e\u6570\u7ec4\u4e2d\u67d0\u6307\u5b9a\u5143\u7d20\u7684\u7d22\u5f15, \u5982\u679c\u627e\u4e0d\u5230\u6307\u5b9a\u7684\u5143\u7d20, \u5219\u8fd4\u56de -1.", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2016-02-03T05:26:07", "review_tags": []}, {"title": "Array.prototype.findIndex()", "url": "/fr/docs/Web/JavaScript/Reference/Objets_globaux/Array/findIndex", "tags": ["prototype", "polyfill", "R\u00e9f\u00e9rence", "Array", "Prototype", "JavaScript", "ECMAScript6", "M\u00e9thode"], "summary": "La m\u00e9thode <code><strong>findIndex()</strong></code> renvoie l'indice d'un \u00e9l\u00e9ment du tableau qui satisfait une condition donn\u00e9e par une fonction. Si la fonction renvoie faux pour tous les \u00e9l\u00e9ments du tableau, le r\u00e9sultat vaut -1.", "localization_tags": [], "locale": "fr", "last_edit": "2015-12-27T01:01:36", "review_tags": []}, {"title": "Array.prototype.findIndex()", "url": "/ru/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex", "tags": ["prototype", "polyfill", "Reference", "Experimental", "R\u00e9f\u00e9rence", "Array", "Prototype", "Exp\u00e9rimental", "JavaScript", "ECMAScript6", "Method"], "summary": "\u041c\u0435\u0442\u043e\u0434 <code><strong>findIndex()</strong></code> \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 <strong>\u0438\u043d\u0434\u0435\u043a\u0441</strong> \u0432 \u043c\u0430\u0441\u0441\u0438\u0432\u0435, \u0435\u0441\u043b\u0438 \u044d\u043b\u0435\u043c\u0435\u043d\u0442 \u0443\u0434\u043e\u0432\u043b\u0435\u0442\u0432\u043e\u0440\u044f\u0435\u0442 \u0443\u0441\u043b\u043e\u0432\u0438\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438. \u0412 \u043f\u0440\u043e\u0442\u0438\u0432\u043d\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f -1.", "localization_tags": [], "locale": "ru", "last_edit": "2016-01-09T09:04:33", "review_tags": []}], "modified": "2016-02-05T23:51:31", "label": "Array.prototype.findIndex()", "localization_tags": [], "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex", "last_edit": "2016-02-05T23:51:27", "summary": "<code><strong>findIndex()</strong></code> \u30e1\u30bd\u30c3\u30c9\u306f\u3001\u914d\u5217\u5185\u306e\u8981\u7d20\u304c\u6307\u5b9a\u3055\u308c\u305f\u30c6\u30b9\u30c8\u95a2\u6570\u3092\u6e80\u305f\u3059\u5834\u5408\u3001\u914d\u5217\u5185\u306e <strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9</strong> \u3092\u8fd4\u3057\u307e\u3059\u3002\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f <code>-1</code> \u3092\u8fd4\u3057\u307e\u3059\u3002", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "\u69cb\u6587"}, {"id": "Parameters", "title": "\u5f15\u6570"}, {"id": "Description", "title": "\u8aac\u660e"}, {"id": "Examples", "title": "\u4f8b"}, {"id": "Find_the_index_of_a_prime_number_in_an_array", "title": "\u914d\u5217\u5185\u306e\u7d20\u6570\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u691c\u7d22\u3059\u308b"}, {"id": "Polyfill", "title": "\u4e92\u63db\u30b3\u30fc\u30c9"}, {"id": "Specifications", "title": "\u4ed5\u69d8"}, {"id": "Browser_compatibility", "title": "\u30d6\u30e9\u30a6\u30b6\u5b9f\u88c5\u72b6\u6cc1"}, {"id": "See_also", "title": "\u95a2\u9023\u60c5\u5831"}], "id": 148733, "review_tags": []}