[1] [CITE[IRC logs: freenode / #whatwg / 20130604]]
( ([TIME[2013-06-06 22:25:38 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20130604>

[2] [CITE[''''''[''''''whatwg'''''']'''''' onclose events for MessagePort]]
( ([TIME[2013-10-29 23:45:30 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-October/041298.html>