{"description":"\u3053\u308c\u4e0d\u601d\u8b70\u3058\u3083\u306a\u3044\u3067\u3059\u304b\uff1f var navi = navigator; document.write( navi.constructor + \"<br>\" ); // prints \"[object Navigator]\" var agent = navigator.userAgent; document.write( agent.constructor ); // prints \"function String() { [native code] }\" \u306a\u3093\u3067\u4e8c\u3064\u3068\u3082 constructor \u30d7\u30ed\u30d1\u30c6\u30a3\u3092\u51fa\u529b\u3055\u305b\u3066\u3093\u306e\u306b\uff0c\u8868\u793a\u9055\u3046\u306e\uff1f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e constructor \u30d7\u30ed\u30d1\u30c6\u30a3\u3063\u3066\u666e\u901a\u2026","title":"navigator.constructor \u306e\u4e0d\u601d\u8b70","provider_url":"https://hatena.blog","width":"100%","height":"190","published":"2008-10-12 00:00:01","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/kiririmode/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20081012%2Fp2\" title=\"navigator.constructor \u306e\u4e0d\u601d\u8b70 - \u7406\u7cfb\u5b66\u751f\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>","image_url":null,"categories":["javascript"],"author_name":"kiririmode","type":"rich","blog_url":"https://kiririmode.hatenablog.jp/","url":"https://kiririmode.hatenablog.jp/entry/20081012/p2","provider_name":"Hatena Blog","version":"1.0"}