{"blog_title":"Camera Obscura","author_url":"https://blog.hatena.ne.jp/obelisk2/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2016%2F03%2F18%2F010855\" title=\"CoffeeScript \u306e\u7df4\u7fd2 - Camera Obscura\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u3053\u3053\u3067\u4f5c\u3063\u305f JavaScript \u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3001CoffeeScript \u3067\u63cf\u304d\u76f4\u3057\u3066\u307f\u307e\u3057\u305f\u3002onload \u3084 onclick \u306e\u3084\u308a\u65b9\u304c\u308f\u304b\u3089\u305a\u3001\u7d50\u69cb\u82e6\u52b4\u3057\u307e\u3057\u305f\u3002\u3069\u3046\u3082 jQuery \u3067\u3084\u308b\u3057\u304b\u306a\u3044\u307f\u305f\u3044\u3067\u3059\u3002HTML \u306f\u304a\u304a\u3088\u305d\u540c\u3058\u306a\u306e\u3067\u3001CoffeeScript \u306e\u90e8\u5206\u3060\u3051\u8f09\u305b\u307e\u3059\u3002 cvs = td = cw = ch = null $(window).load -> cvs = document.getElementById(\"Canvas\") td = cvs.getContext(\"2d\") cw = cvs.width; ch = cvs.height $(cvs).c\u2026","width":"100%","categories":["CoffeeScript"],"url":"https://obelisk.hatenablog.com/entry/2016/03/18/010855","version":"1.0","title":"CoffeeScript \u306e\u7df4\u7fd2","provider_url":"https://hatena.blog","author_name":"obelisk2","type":"rich","published":"2016-03-18 01:08:55","provider_name":"Hatena Blog","blog_url":"https://obelisk.hatenablog.com/","image_url":null,"height":"190"}