{"title":"JavaScript new Boolean(false) === true","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","categories":["JavaScript","\u307e\u3068\u3081\u672a\u767b\u9332\uff08\u7ba1\u7406\u7528\uff09"],"version":"1.0","blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","description":"JavaScript\u306b\u306f\u8ad6\u7406\u578b\uff08boolean\uff09\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30e9\u30c3\u30d1\u30fc\u3067\u3042\u308bBoolean\u30af\u30e9\u30b9\u304c\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u306eboolean\u3068\u306f\u7570\u306a\u308b\u52d5\u4f5c\u3092\u3057\u307e\u3059\u3002Boolean\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306f\u4fdd\u6301\u3059\u308b\u5024\u306b\u95a2\u308f\u3089\u305atruly\u3067\u3059\u3002 console.log(new Boolean(false) === false) // false console.log(new Boolean(false) === true) // true // \u3042\u308b\u3044\u306f console.log(Boolean(new Boolean(false))) // true Boolean\u30af\u30e9\u30b9\u304b\u3089\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u306eBoo\u2026","blog_url":"https://potisan-programming-memo.hatenablog.jp/","published":"2022-05-22 02:40:45","width":"100%","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2022%2F05%2F22%2F024045\" title=\"JavaScript new Boolean(false) === true - potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\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>","type":"rich","author_name":"potisan","url":"https://potisan-programming-memo.hatenablog.jp/entry/2022/05/22/024045","author_url":"https://blog.hatena.ne.jp/potisan/","image_url":null}