[1] Bug 25279 – More detail for event type base on UIEvent ( ( 版)) <https://www.w3.org/Bugs/Public/show_bug.cgi?id=25279>
[2] Bug 18542 – onmousewheel attribute should be replaced with onwheel ( 版) <https://www.w3.org/Bugs/Public/show_bug.cgi?id=18542>
[3] s/mousewheel/wheel · whatwg/html@163c216 ( 版) <https://github.com/whatwg/html/commit/163c2161cfacdbadbeb71f9d6fa23905d5b2c700>
[4] IRC logs: freenode / #whatwg / 20160121 ( 版) <http://krijnhoetmer.nl/irc-logs/whatwg/20160121>