[1] Bug 25279 – More detail for event type base on UIEvent ( (2014-05-15 07:06:00 +09:00 版)) <https://www.w3.org/Bugs/Public/show_bug.cgi?id=25279>

[2] Bug 18542 – onmousewheel attribute should be replaced with onwheel (2015-07-16 10:51:08 +09:00 版) <https://www.w3.org/Bugs/Public/show_bug.cgi?id=18542>

[3] s/mousewheel/wheel · whatwg/html@163c216 (2015-09-03 14:33:48 +09:00 版) <https://github.com/whatwg/html/commit/163c2161cfacdbadbeb71f9d6fa23905d5b2c700>

[4] IRC logs: freenode / #whatwg / 20160121 (2016-02-01 20:51:19 +09:00 版) <http://krijnhoetmer.nl/irc-logs/whatwg/20160121>