[1] Touch Events ( (10/12/2013, 1:35:42 AM 版)) <https://dvcs.w3.org/hg/webevents/raw-file/v1/touchevents.html#event-touchend>

[2] Added ontouch* event handler attributes · w3c/touch-events@71947f0 (10/27/2015, 3:59:19 AM 版) <https://github.com/w3c/touch-events/commit/71947f06bf3394bb954cc8819a072e2ef925bff6>