{"blog_title":"@ledsun blog","provider_url":"https://hatena.blog","description":"JavaScript\u306b\u306f\u914d\u5217\u306b typeof \u6f14\u7b97\u5b50\u3092\u4f7f\u3046\u3068 object \u304c\u5e30\u3063\u3066\u304f\u308b\u3068\u3044\u3046\u7cde\u4ed5\u69d8\u304c\u3042\u308b\u305f\u3081\u307f\u306a\u3055\u3093\u82e6\u52b4\u3055\u308c\u3066\u3044\u308b\u3002 Douglas Crockford\u3055\u3093 Douglas Crockford\u3055\u3093\u306eDuckTyping\u65b9\u5f0f\u3002JavaScript: The Good Parts \u300c6.5 \u914d\u5217\u304b\u3069\u3046\u304b\u300d\u3088\u308a\u629c\u7c8b var is_array = function (value) { return value && typeof value === 'object' && typeof value.length === 'number' && typeof value.splice \u2026","width":"100%","type":"rich","provider_name":"Hatena Blog","title":"JavaScript\u306e\u5024\u304c\u914d\u5217\u304b\u3069\u3046\u304b\u898b\u5206\u3051\u308b\u65b9\u6cd5\u306e\u307e\u3068\u3081","version":"1.0","published":"2013-01-28 23:25:37","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/l/ledsun/20130128/20130128231440.jpg","author_url":"https://blog.hatena.ne.jp/ledsun/","height":"190","author_name":"ledsun","categories":["\u6280","JavaScript"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fledsun.hatenablog.com%2Fentry%2F2013%2F01%2F28%2F232537\" title=\"JavaScript\u306e\u5024\u304c\u914d\u5217\u304b\u3069\u3046\u304b\u898b\u5206\u3051\u308b\u65b9\u6cd5\u306e\u307e\u3068\u3081 - @ledsun blog\" 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://ledsun.hatenablog.com/","url":"https://ledsun.hatenablog.com/entry/2013/01/28/232537"}