{"published":"2021-10-02 00:00:00","version":"1.0","author_url":"https://blog.hatena.ne.jp/yohhoy/","height":"190","categories":["JavaScript"],"type":"rich","provider_name":"Hatena Blog","image_url":null,"blog_url":"https://yohhoy.hatenadiary.jp/","blog_title":"yohhoy\u306e\u65e5\u8a18","title":"typeof null == 'object'","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20211002%2Fp1\" title=\"typeof null == &#39;object&#39; - yohhoy\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"yohhoy","description":"\u30d0\u30b0\u306f\u591c\u66f4\u3051\u904e\u304e\u306b\u4ed5\u69d8\u306b\u5909\u308f\u308b\u3060\u308d\u3046*1 -- \u8a60\u4eba\u77e5\u3089\u305a // This stands since the beginning of JavaScript typeof null === 'object'; In the first implementation of JavaScript, JavaScript values were represented as a type tag and a value. The type tag for objects was 0. null was represented as the NULL pointer (0x00 in most pla\u2026","url":"https://yohhoy.hatenadiary.jp/entry/20211002/p1","provider_url":"https://hatena.blog","width":"100%"}