{"version":"1.0","width":"100%","image_url":null,"height":"190","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/shigemk2/","type":"rich","published":"2012-06-06 09:07:44","provider_url":"https://hatena.blog","url":"https://www.shigemk2.com/entry/20120606/1338941264","blog_title":"by shigemk2","author_name":"shigemk2","title":"Number()","description":"\u6570\u5024\uff08Number\uff09\u6587\u5b57\u5217(\u6570\u5b57)\u3092\u6570\u5024\u306b\u5909\u63db\u3059\u308b\u95a2\u6570\u3002\u4ed6\u306b\u306fparseInt()\u3001parseFloat() \u3092\u7528\u3044\u308b\u304b\u30010 \u3092\u6e1b\u7b97\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3082\u3001\u5909\u63db\u3067\u304d\u308b\u3002 \u306a\u304a\u3001\u5909\u63db\u3067\u304d\u308b\u306e\u306f\u6570\u5b57\u306e\u6587\u5b57\u5217\u306e\u307f\u3067\u3001\u305d\u308c\u4ee5\u5916\u306f\u5909\u63db\u3067\u304d\u305aNaN\u3092\u8fd4\u3059\u3002 alert(Number(\"1\")); alert(Number(\"hoge\")); \u7d50\u679c 1 NaN","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F20120606%2F1338941264\" title=\"Number() - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://www.shigemk2.com/","categories":["javascript"]}