{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftako-eng.hatenablog.com%2Fentry%2F2020%2F04%2F07%2F081512\" title=\"JavaScript \u56db\u6368\u4e94\u5165\u3068\u304b\u3068\u304b - blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"blog","height":"190","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/tako_eng/","image_url":null,"published":"2020-04-07 08:15:12","blog_url":"https://tako-eng.hatenablog.com/","author_name":"tako_eng","width":"100%","url":"https://tako-eng.hatenablog.com/entry/2020/04/07/081512","title":"JavaScript \u56db\u6368\u4e94\u5165\u3068\u304b\u3068\u304b","description":"\u5207\u308a\u6368\u3066\u3068\u304b\u56db\u6368\u4e94\u5165\u3068\u304b\u3068\u304b Math.floor() - JavaScript | MDN Number.prototype.toFixed() - JavaScript | MDN 'use strict'; { const scores = [10,3,9]; let sum = 0; scores.forEach(score => { sum += score; }); const avg = sum / scores.length; console.log(sum); // 22 console.log(avg); // 7.333333333333333 console.log(M\u2026","provider_name":"Hatena Blog","version":"1.0","type":"rich","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0(JavaScript)"]}