{"provider_name":"Hatena Blog","author_name":"amachang","description":"\u3075\u3068 MDC \u3092\u898b\u3066\u3044\u305f\u3089 http://developer.mozilla.org/ja/docs/Core_JavaScript_1.5_Guide:Exception_Handling_Statements:try...catch_Statement#catch_.E3.83.96.E3.83.AD.E3.83.83.E3.82.AF Catch Guard \u3068\u3044\u3046\u6587\u6cd5\u304c\u3042\u308b\u3053\u3068\u3092\u77e5\u3063\u3066\u3057\u307e\u3063\u305f\u3002 Catch Guard \u3068\u306f try { throw Math.random(); } catch (e if e < 0.3) { alert('\u3061\u3063\u3061\u3083\u3044'); } catch (e if\u2026","type":"rich","image_url":null,"url":"https://amachang.hatenablog.com/entry/20070613/1181714987","height":"190","title":" Mozilla \u306e JS \u306b\u306f Catch Guard \u306a\u3093\u3066\u3042\u308b\u306e\u306d\u3002\u77e5\u3089\u306a\u304b\u3063\u305f\u3002","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Famachang.hatenablog.com%2Fentry%2F20070613%2F1181714987\" title=\" Mozilla \u306e JS \u306b\u306f Catch Guard \u306a\u3093\u3066\u3042\u308b\u306e\u306d\u3002\u77e5\u3089\u306a\u304b\u3063\u305f\u3002 - IT\u6226\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-06-13 15:09:47","version":"1.0","author_url":"https://blog.hatena.ne.jp/amachang/","blog_url":"https://amachang.hatenablog.com/","categories":["JavaScript","Firefox"],"provider_url":"https://hatena.blog","blog_title":"IT\u6226\u8a18"}