{"type":"rich","author_name":"kikiki-kiki","version":"1.0","description":"const isNumber = (n) => { return typeof(n) === 'number' && n - n === 0; }; of Number.isFinite(n);","provider_name":"Hatena Blog","blog_title":"\u304b\u3082\u30e1\u30e2","published":"2019-12-18 08:30:00","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51ARqTqhILL._SL160_.jpg","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fchaika.hatenablog.com%2Fentry%2F2019%2F12%2F18%2F083000\" title=\"JavaScript \u6570\u5024\u304b\u3069\u3046\u304b\u5224\u5b9a\u3057\u305f\u3044 - \u304b\u3082\u30e1\u30e2\" 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/kikiki-kiki/","blog_url":"https://chaika.hatenablog.com/","url":"https://chaika.hatenablog.com/entry/2019/12/18/083000","width":"100%","categories":["JavaScript"],"height":"190","title":"JavaScript \u6570\u5024\u304b\u3069\u3046\u304b\u5224\u5b9a\u3057\u305f\u3044"}