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

[2] Send touchcancel when scrolling starts? ( (Rick Byers 著, 2013-06-08 00:39:46 +09:00 版)) <http://lists.w3.org/Archives/Public/public-webevents/2013AprJun/0040.html>

[3] Chromium Blog: Chrome 36 Beta: element.animate(), HTML Imports, and Object.observe() ( (2014-06-02 22:54:22 +09:00 版)) <http://blog.chromium.org/2014/05/chrome-36-beta-elementanimate-html.html>

[4] Added ontouch* event handler attributes · w3c/touch-events@71947f0 (2015-10-27 12:59:56 +09:00 版) <https://github.com/w3c/touch-events/commit/71947f06bf3394bb954cc8819a072e2ef925bff6>