{"json_modified": "2015-10-28T02:03:48.963045", "slug": "Web/Reference/Events/beforeunload", "tags": [], "locale": "ja", "title": "beforeunload", "translations": [{"title": "beforeunload", "url": "/en-US/docs/Web/Events/beforeunload", "tags": [], "summary": "The <code>beforeunload</code> event is fired when the window, the document and its resources are about to be unloaded.", "localization_tags": [], "locale": "en-US", "last_edit": "2015-09-15T17:02:18", "review_tags": ["editorial"]}, {"title": "beforeunload", "url": "/zh-CN/docs/Web/Events/beforeunload", "tags": [], "summary": "<code><span style=\"font-family: consolas,monaco,andale mono,monospace;\">\u5f53\u6d4f\u89c8\u5668\u7a97\u53e3\uff0c\u6587\u6863\u6216\u5176\u8d44\u6e90\u5c06\u8981\u5378\u8f7d\u65f6\uff0c\u4f1a\u89e6\u53d1beforeunload\u4e8b\u4ef6\u3002</span></code>", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2015-07-06T00:11:21", "review_tags": []}], "modified": "2015-10-28T02:03:48", "label": "beforeunload", "localization_tags": ["inprogress"], "url": "/ja/docs/Web/Reference/Events/beforeunload", "last_edit": "2015-10-28T02:03:45", "summary": "beforeunload \u30a4\u30d9\u30f3\u30c8\u306f\u3001 window \u3084 document \u304a\u3088\u3073\u305d\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u30a2\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u6642\u306b\u767a\u751f\u3057\u307e\u3059\u3002<br/><br/>\n \u6587\u5b57\u5217\u304c returnValue \u30a4\u30d9\u30f3\u30c8\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30c0\u30a4\u30a2\u30ed\u30b0\u30dc\u30c3\u30af\u30b9\u304c\u8868\u793a\u3055\u308c\u3001\u30da\u30fc\u30b8\u3092\u53bb\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\uff08\u4ee5\u4e0b\u306e\u4f8b\u3092\u53c2\u7167\uff09\u3002\u5024\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u306f\u9759\u304b\u306b\u51e6\u7406\u3055\u308c\u307e\u3059\u3002", "sections": [{"id": "\u4e00\u822c\u60c5\u5831", "title": "\u4e00\u822c\u60c5\u5831"}, {"id": "\u30d7\u30ed\u30d1\u30c6\u30a3", "title": "\u30d7\u30ed\u30d1\u30c6\u30a3"}, {"id": "\u4f8b", "title": "\u4f8b"}, {"id": "\u6ce8\u8a18", "title": "\u6ce8\u8a18"}, {"id": "\u95a2\u9023\u60c5\u5831", "title": "\u95a2\u9023\u60c5\u5831"}], "id": 164923, "review_tags": []}