{"version":"1.0","author_url":"https://blog.hatena.ne.jp/sasaplus1/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsasaplus1.hatenadiary.com%2Fentry%2F20110824%2F1314168921\" title=\"CoffeeScript\u3067if\u4fee\u98fe\u5b50\u3092\u4f7f\u3063\u3066\u5024\u3092\u8fd4\u3055\u306a\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f - \u56db\u89d2\u9769\u547d\u524d\u591c\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"provider_url":"https://hatena.blog","blog_url":"https://sasaplus1.hatenadiary.com/","provider_name":"Hatena Blog","title":"CoffeeScript\u3067if\u4fee\u98fe\u5b50\u3092\u4f7f\u3063\u3066\u5024\u3092\u8fd4\u3055\u306a\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f","categories":["CoffeeScript"],"description":"JavaScript\u3067Canvas\u306b\u5bfe\u5fdc\u3057\u3066\u306a\u3044\u6642\u306b\u66f8\u304f\u3088\u3046\u306a\u30b3\u30fc\u30c9\u3002 if (!HTMLCanvasElement) { return; } CoffeeScript\u3067if\u4fee\u98fe\u5b50\u3092\u4f7f\u3063\u3066\u66f8\u304f\u3084\u308a\u65b9\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u3051\u3069\u3001\u3088\u3046\u3084\u304f\u304b\u3051\u305f\u306e\u3067\u30e1\u30e2\u3002 return undefined if not HTMLCanvasElement undefined\u3092return\u3057\u3066\u3042\u3052\u308c\u3070\u3044\u3044\u308f\u3051\u306d\u3002\u307e\u3042\u3001\u623b\u308a\u5024\u3092\u66f8\u304b\u306a\u3044\u95a2\u6570\u306f\u623b\u308a\u5024\u304cundefined\u306b\u306a\u308b\u3051\u3069\u3055\u3042\u2026\u2026 \u4eca\u307e\u3067\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3068\u308a\u3042\u3048\u305a return false if not HTMLCanvasElement \u3068\u66f8\u3044\u3066\u3044\u305f\u306e\u3067\u3059\u3088\u3002\u3067\u3082\u3001\u2026","width":"100%","type":"rich","height":"190","author_name":"sasaplus1","published":"2011-08-24 15:55:21","blog_title":"\u56db\u89d2\u9769\u547d\u524d\u591c","url":"https://sasaplus1.hatenadiary.com/entry/20110824/1314168921"}