{"height":"190","description":"\u4ee5\u524dJava\u3067\u540c\u3058\u3088\u3046\u306a\u3053\u3068\u3084\u3063\u3066\u308b\u3051\u3069\u3001JavaScript\u3082\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002 http://beatdjam.hatenablog.com/entry/2017/07/21/225053 function padding(str,num,pad){ if(pad === void(0)) pad = 0; return (Array(num + 1).join(pad)+str).slice(num*-1); } console.log(padding(\"1\",3,\"x\")); // xx1 console.log(padding(\"1\",2)); // 01 \u5148\u982d\u306e\u6587\u5b57\u5217\u9664\u53bb\u306f\u3053\u308c\u3067\u3044\u3051\u305d\u2026","provider_name":"Hatena Blog","url":"https://blog.beatdjam.com/entry/2017/11/20/190000","provider_url":"https://hatena.blog","image_url":null,"published":"2017-11-20 19:00:00","width":"100%","blog_url":"https://blog.beatdjam.com/","version":"1.0","title":"\u3010JavaScript\u3011\u6587\u5b57\u5217\u306e\u7a7a\u767d\u57cb\u3081\u30010\u57cb\u3081","type":"rich","categories":["JavaScript"],"author_url":"https://blog.hatena.ne.jp/beatdjam/","blog_title":"B-Teck!","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.beatdjam.com%2Fentry%2F2017%2F11%2F20%2F190000\" title=\"\u3010JavaScript\u3011\u6587\u5b57\u5217\u306e\u7a7a\u767d\u57cb\u3081\u30010\u57cb\u3081 - B-Teck!\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"beatdjam"}