[1] [CITE[IRC logs: freenode / #whatwg / 20110602]]
( ([TIME[2011-06-04 12:37:09 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20110602>

[2] [CITE[Define Element.prototype.matches() · 138a7d3 · whatwg/dom]] ([TIME[2013-09-13 07:36:51 +09:00]] 版) <https://github.com/whatwg/dom/commit/138a7d3cf4ac9455e14afb8f21224a94ab07c950>