{"author_name":"javascripter","blog_url":"https://javascripter.hatenablog.com/","height":"190","width":"100%","version":"1.0","categories":["javascript"],"url":"https://javascripter.hatenablog.com/entry/20090222/1235296643","provider_url":"https://hatena.blog","type":"rich","description":"\u3053\u3046\u3044\u3046\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u305f\u3002 function inspect(evaluator) { var title = \"code:\", code; while ((code = prompt(title)) !== null) { title = evaluator(code); } } (function () { var i = 0; inspect(function (code) {return eval(code);}); })(); Firefox\u3060\u3068 1 => 1 1 + 2 => 3 i => 0 arguments => [object Object]\u3068\u3044\u3046\u98a8\u306b\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306b\u5b9f\u884c\u3067\u2026","published":"2009-02-22 18:57:23","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjavascripter.hatenablog.com%2Fentry%2F20090222%2F1235296643\" title=\"WebKit\u306e\u30d0\u30b0 - \u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/javascripter/","provider_name":"Hatena Blog","image_url":null,"blog_title":"\u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0","title":"WebKit\u306e\u30d0\u30b0"}