{"json_modified": "2013-11-13T16:57:44.810016", "slug": "Web/JavaScript/Reference/Global_Objects/WeakMap", "tags": ["ECMAScript6", "JavaScript"], "locale": "ja", "title": "WeakMap", "translations": [{"locale": "en-US", "url": "/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap", "title": "WeakMap"}, {"locale": "zh-CN", "url": "/zh-CN/docs/JavaScript/Reference/Global_Objects/WeakMap", "title": "WeakMap"}], "modified": "2013-11-13T16:57:44", "label": "WeakMap", "url": "/ja/docs/Web/JavaScript/Reference/Global_Objects/WeakMap", "summary": "WeakMap \u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u30ad\u30fc\u306b\u3059\u308b\u3001\u30ad\u30fc/\u30d0\u30ea\u30e5\u30fc\u578b\u306e\u30de\u30c3\u30d7\u3067\u3059\u3002", "sections": [{"id": "Introduction", "title": "\u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3"}, {"id": "API", "title": "API"}, {"id": "Example", "title": "\u4f8b"}, {"id": "Why_WeakMap.3F", "title": "\u306a\u305c Weak Map \u306a\u306e\u304b?"}, {"id": "Specifications", "title": "\u6a19\u6e96\u4ed5\u69d8"}, {"id": "Browser_compatibility", "title": "\u30d6\u30e9\u30a6\u30b6\u4e92\u63db\u6027"}, {"id": "See_also", "title": "\u95a2\u9023\u60c5\u5831"}], "id": 3646, "review_tags": []}