Mobile-side events Touchstart, Touchmove, Touchend

Source: Internet
Author: User

About these three mobile events, detailed information on the Internet a large search, I will not waste time

1. Mobile End Long press event

var NULL ; $ (ele). On (' Touchstart ',function() {    = setTimeout (function() {        Alert ("I am the long-press event!") ")    }); $ (Ele). On (' touchend ',function() {    cleartimeout (timer);});

Description: Simulates a long-press event via a timer, this example is based on jquery, where "ele" is the element to be long pressed;

2. Swipe up or down events on the mobile side

<! DOCTYPE html>//left and right swipe eventsvarStartX = 0, Starty = 0;functionTouchsatrtfunc (evt) {Try{evt.preventdefault ();//Browser zoom, scroll bar scrolling, and so on when blocking touch        vartouch = evt.touches[0];//get the first touch point        varx = number (Touch.pagex);//page contact X coordinate        vary = number (touch.pagey);//page Contact Y coordinate        //Record Contact initial positionStartX =x; Starty=y; }    Catch(e) {alert (' Touchsatrtfunc: ' +e.message); }}functionTouchmovefunc (evt) {Try{evt.preventdefault ();//Browser zoom, scroll bar scrolling, and so on when blocking touch        vartouch = evt.touches[0];//get the first touch point        varx = number (Touch.pagex);//page contact X coordinate        vary = number (touch.pagey);//page Contact Y coordinate        vartext; //Judging slide left and right direction        if(x-startx>=30) {text= ' Swipe right '; document.getElementById (' TOUCHLR '). InnerHTML =text; }Else if(x-startx<=-30) {text= ' swipe left '; document.getElementById (' TOUCHLR '). InnerHTML =text; }        //Judging slide up and down direction        if(y-starty>=30) {text= ' Swipe down '; document.getElementById (' TOUCHLR '). InnerHTML =text; }Else if(y-starty<=-30) {text= ' swipe up '; document.getElementById (' TOUCHLR '). InnerHTML =text; }    }    Catch(e) {alert (' Touchmovefunc: ' +e.message); }}functionbindevent () {Document.addeventlistener (' Touchstart ', Touchsatrtfunc,false); Document.addeventlistener (' Touchmove ', Touchmovefunc,false);} Bindevent ();</script></body>

Description: The specific principle of a search a bunch of concrete examples here, the copy can be used; my way of learning is that, no matter what the principle, the first thing to do is to get the demand out, the principle of the elusive;

Mobile-side events Touchstart, Touchmove, Touchend

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