{"width":"100%","blog_title":"\u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\u30e1\u30e2","type":"rich","author_name":"dk521123","blog_url":"https://dk521123.hatenablog.com/","version":"1.0","image_url":null,"published":"2015-12-07 23:55:59","description":"\u306f\u3058\u3081\u306b * JavaScript\u306b\u304a\u3044\u3066\u3001\u6587\u5b57\u5217\u304b\u3089\u3001Boolean \u306b\u5909\u63db\u3057\u305f\u969b\u306b\u3001new Boolean(\u3010\u6587\u5b57\u5217\u3011)\u3067\u5909\u63db\u3057\u3066\u3044\u305f\u3002 \u305f\u3060\u3001\u4ee5\u4e0b\u306e\u30b1\u30fc\u30b9\u3067\u610f\u56f3\u3057\u305f\u52d5\u304d\u306b\u306a\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u30e1\u30e2\u3002 (\u500b\u4eba\u7684\u306b)\u610f\u56f3\u3057\u305f\u52d5\u304d\u306b\u306a\u3089\u306a\u304b\u3063\u305f\u30b1\u30fc\u30b9 var boolValue = new Boolean(\"false\"); // boolValue = true https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Boolean \u3088\u308a\u629c\u7c8b \u5024\u304c\u7701\u7565\u3055\u308c\u305f\u5834\u5408\u3084\u3001\u5024\u304c 0, -0, null, \u2026","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","height":"190","title":"\u3010JS\u3011 JavaScript \u3067\u3001Boolean\u306b\u5909\u63db\u3057\u305f\u969b\u306e\u6ce8\u610f\u4e8b\u9805","categories":["JavaScript"],"author_url":"https://blog.hatena.ne.jp/dk521123/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdk521123.hatenablog.com%2Fentry%2F35620716\" title=\"\u3010JS\u3011 JavaScript \u3067\u3001Boolean\u306b\u5909\u63db\u3057\u305f\u969b\u306e\u6ce8\u610f\u4e8b\u9805 - \u30d7\u30ed\u30b0\u30e9\u30e0 \u306e\u8d85\u500b\u4eba\u7684\u306a\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>","url":"https://dk521123.hatenablog.com/entry/35620716"}