The WebEvents working group previously decided not to normatively specifyinitTouchEvent because there were differences in implementation and weird extra co-ordinate parameters that made no sense.

However, according to anhttparchive search there is a non-trivial amount of usage of this API (1236 of the top 300k websites as of Aug 2014). For example:https://www.fieldandrurallife.com/ andhttp://www.arccjournals.com/. In both cases it looks like it's just being used as a form of touch feature detection.

However, Chrome UMA dataindicates thatinitTouchEvent is virtually never called in practice on Chrome. I wonder why? We're tracking understanding/fixinginitTouchEvent behavior in Chromehere