{"description":"\u305d\u3046\u3044\u3046\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066\u3082\u3088\u3055\u305d\u3046\u306a\u6c17\u3082\u3059\u308b\u3051\u3069\uff0e MIMEService \u3067 MIME type \u3092\u5f97\u3066\u3044\u308b\u3051\u3069\uff0c\u3069\u3046\u3084\u3089\u62e1\u5f35\u5b50\u304b\u3089\u5224\u65ad\u3057\u3066\u308b\u3060\u3051\u3063\u307d\u3044\uff0e function toDataURL(file) { // assert(file instanceof Ci.nsIFile) let type = 'plain/text'; try { type = Cc['@mozilla.org/mime;1'].getService(Ci.nsIMIMEService).getTypeFromFile(file); } catch(e) {} let ifstream = Cc['@moz\u2026","published":"2010-07-05 03:01:57","author_url":"https://blog.hatena.ne.jp/eagletmt/","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Feagletmt.hatenadiary.org%2Fentry%2F20100705%2F1278266517\" title=\" \u30d5\u30a1\u30a4\u30eb\u304b\u3089 data URL \u3092\u751f\u6210 - EAGLE \u96d1\u8a18\" 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","blog_title":"EAGLE \u96d1\u8a18","height":"190","title":" \u30d5\u30a1\u30a4\u30eb\u304b\u3089 data URL \u3092\u751f\u6210","version":"1.0","categories":["Javascript","Firefox"],"author_name":"eagletmt","type":"rich","blog_url":"https://eagletmt.hatenadiary.org/","provider_name":"Hatena Blog","width":"100%","url":"https://eagletmt.hatenadiary.org/entry/20100705/1278266517"}