{"url":"https://nakamura001.hatenablog.com/entry/20120203/1328279242","blog_title":"\u5f37\u706b\u3067\u9032\u3081","published":"2012-02-03 23:27:22","author_url":"https://blog.hatena.ne.jp/nakamura001/","blog_url":"https://nakamura001.hatenablog.com/","image_url":null,"title":"Firefox 10\u3067\u8ffd\u52a0\u3055\u308c\u305fPage Visibility API\u306e\u4f7f\u3044\u65b9","height":"190","description":"Page Visibility API\u3092\u4f7f\u3048\u3070\u5225\u306e\u30bf\u30d6\u306b\u5207\u308a\u66ff\u308f\u3063\u305f\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u6700\u5c0f\u5316\u3055\u308c\u305f\u4e8b\u3092\u611f\u77e5\u51fa\u6765\u307e\u3059\u3002 \u30b5\u30f3\u30d7\u30eb