{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fteramako.hatenadiary.org%2Fentry%2F20130306%2Fp1\" title=\"\u30e6\u30cb\u30b3\u30fc\u30c9\u6587\u5b57\u306ebase64\u30a8\u30f3\u30b3\u30fc\u30c9/\u30c7\u30b3\u30fc\u30c9 - hogehoge @teramako\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","width":"100%","image_url":null,"title":"\u30e6\u30cb\u30b3\u30fc\u30c9\u6587\u5b57\u306ebase64\u30a8\u30f3\u30b3\u30fc\u30c9/\u30c7\u30b3\u30fc\u30c9","description":"\u4eca\u306e\u3068\u3053\u308dAPI\u304c\u3042\u308b\u306e\u304c\u3001Firefox\u306e\u307f\u304b\u3082\u3060\u3051\u3069\u3002\u5358\u7d14\u306b\u3001window.btoa(\"\u3042\u3044\u3046\u3048\u304a\")\u3068\u3059\u308b\u3068\u3001InvalidCharacterError: String contains an invalid character\u3068\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3002Encoding Standard\u306eTextEncoder\u3001TextDecoder\u304c\u4f7f\u3048\u308b\u306a\u3089\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3051\u308b\u3002 function encodeToBase64 (str){ return window.btoa(String.fromCharCode.apply(null, TextEncoder(\"utf-8\").encode(str))\u2026","author_name":"teramako","url":"https://teramako.hatenadiary.org/entry/20130306/p1","blog_title":"hogehoge @teramako","author_url":"https://blog.hatena.ne.jp/teramako/","type":"rich","categories":["JavaScript"],"version":"1.0","blog_url":"https://teramako.hatenadiary.org/","provider_name":"Hatena Blog","height":"190","published":"2013-03-06 00:00:00"}