[1] [CITE[Bug 39905 – Image Resizer API]]
( ([TIME[2014-02-04 07:33:43 +09:00]] 版))
<https://bugs.webkit.org/show_bug.cgi?id=39905>

[2] [CITE@en[Allow all HTML element constructors to be subclassed]]
([[domenic]]著, [TIME[2016-06-12 16:34:15 +09:00]])
<https://github.com/whatwg/html/commit/4742b18559a6968213b680ea0b0521eae17de7e1>