{"provider_name":"Hatena Blog","blog_url":"https://blog.systemjp.net/","url":"https://blog.systemjp.net/entry/20090619/p6","author_name":"shikaku","version":"1.0","type":"rich","title":"\u5c0f\u6570\u70b9\u4ee5\u4e0bX\u6841\u3092\u56db\u6368\u4e94\u5165\u3059\u308b","blog_title":"shikaku's blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F20090619%2Fp6\" title=\"\u5c0f\u6570\u70b9\u4ee5\u4e0bX\u6841\u3092\u56db\u6368\u4e94\u5165\u3059\u308b - shikaku&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/shikaku/","height":"190","image_url":null,"width":"100%","published":"2009-06-19 00:00:04","categories":["javascript"],"description":"\u3068\u304f\u306bAPI\u306f\u7528\u610f\u3055\u308c\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u3002\u306a\u306e\u3067\u56db\u6368\u4e94\u5165\u3057\u305f\u3044\u6841\u306e\u4e0a\u306e\u6841\u307e\u3067\u3092\u3044\u3063\u305f\u3093\u6574\u6570\u306b\u3057\u3066\u304b\u3089\u56db\u6368\u4e94\u5165\u306eAPI\u3092\u4f7f\u3063\u3066\u3001\u305d\u306e\u5f8c\u5c0f\u6570\u306b\u623b\u3059\u3068\u3044\u3046\u6280\u3092\u4f7f\u3044\u307e\u3059\u3002 var i = 3.14159265 * 100; // => 314.159265 i = Math.round(i); // => 314 i / 100; // => 3.14\u53c2\u8003 http://mudaimemo.blogspot.com/2008/10/javascriptx.html"}