[1] [CITE@en-US[Touching and Gesturing on the iPhone | SitePen Blog]]
([TIME[2010-12-12 14:10:33 +09:00]] 版)
<http://www.sitepen.com/blog/2008/07/10/touching-and-gesturing-on-the-iphone/>

[2] [CITE@en[Touch Events]]
( ([TIME[2013-10-12 10:35:42 +09:00]] 版))
<https://dvcs.w3.org/hg/webevents/raw-file/v1/touchevents.html#event-touchstart>