[1] [CITE@en-US[DOM4 Events]]
( ([TIME[2011-10-13 15:16:02 +09:00]] 版))
<http://html5labs.com/dom4events/#constructors-mouseevent>

[2] [CITE@en-US[DOM4 Events]]
( ([TIME[2011-10-13 15:16:02 +09:00]] 版))
<http://html5labs.com/dom4events/>