Mobile terminal touch event

Touch event touchstart、touchmove、touchend、touchcancel

touchstart： Touching the screen with your finger triggers

touchmove： When the finger moves on the screen , Will trigger

touchend： When the finger leaves the screen , Will trigger

touchcancel： A trigger that can be made by the system , For example, when fingers touch the screen , All of a sudden alert Or
Others in the system are interrupted touch act , The event can be triggered