{"blog_url":"https://amachang.hatenablog.com/","url":"https://amachang.hatenablog.com/entry/20080910/1221010119","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Famachang.hatenablog.com%2Fentry%2F20080910%2F1221010119\" title=\" 10 \u306a\u3089 10\u3001 11 \u306a\u3089 20 \u306b\u306a\u308b\u95a2\u6570\u3092\u4f5c\u308a\u305f\u3044 - 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>","image_url":null,"height":"190","blog_title":"IT\u6226\u8a18","author_name":"amachang","title":" 10 \u306a\u3089 10\u3001 11 \u306a\u3089 20 \u306b\u306a\u308b\u95a2\u6570\u3092\u4f5c\u308a\u305f\u3044","provider_name":"Hatena Blog","categories":["JavaScript"],"version":"1.0","description":"\u4ee5\u4e0b\u306e\u30a8\u30f3\u30c8\u30ea\u3067\u8cea\u554f\u3092\u9802\u3044\u305f\u306e\u3067 http://d.hatena.ne.jp/amachang/20080827/1219815788 \u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9 x + a - (x % a || a) \u3084\u308a\u305f\u3044\u3053\u3068 a \u3067 x \u3092\u4e38\u3081\u308b\u3053\u3068 \u3053\u3093\u306a\u611f\u3058 function round(a) { return function(x) { return x + a - (x % a || a); } } var round10 = round(10); round10(10); // 10 round10(15); // 20 round10(20); // 20 round10(25); // 30 \u3082\u3063\u3068\u2026","published":"2008-09-10 10:28:39","type":"rich","author_url":"https://blog.hatena.ne.jp/amachang/"}