Detailed explanation of touch events in mobile terminals
This article brings you a detailed explanation of touch events in mobile terminals. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
1.touchstart
Triggered when a finger touches the screen
dom.addEventListener('touchstart',function(e){});
startX=e.touches[0].clientX;The e object returned by the event contains mobile-specific attributes:
tarchTouches: All current touches on the target element
changedTouches: All touches on the latest changes on the page
touches: All touches on the page
2.touchmove
Finger slides on the screen When the
dom.addEventListener('touchmove',function(e){}); event is triggered continuously, the e object returned contains mobile-specific attributes:
tarchTouches: all current touches of the target element
changedTouches: all the latest changes on the page Touch
touches: All touches on the page
3.touchend
The
e object returned by the clientX: The touch target is The X coordinate in the viewport. Related recommendations: detailed explanation of touch touch events in javascript mobile development_javascript skills javascript mobile device web development Encapsulation example of touch event_javascript skills The above is the detailed content of Detailed explanation of touch events in mobile terminals. For more information, please follow other related articles on the PHP Chinese website!dom.addEventListener('touchend',funciton(e){});
//在touchend中，touches拿不到touch对象，
//因为触摸已经结束，changedTouches中拿到触摸对象
//console.log(e);
//endX=e.touches[0]; undefined
endX=e.changedTouches[0].clientX;
changedTouches: All the most recently changed touches on the page
touchcancel: Fired when the system stops tracking touches. (Not often used)
In the touchend event, the event will notify the record changeTouches4. e.touches[0]
clientY: The Y coordinate of the touch target in the viewport.
pageX: The x coordinate of the touch target in the page.
pageY: The y coordinate of the touch target in the page.
screenX: The x coordinate of the touch target on the screen.
screenY: The y coordinate of the touch target on the screen.
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