js长按事件

//原文地址 https://www.jianshu.com/p/11bb9629aa09
 var longClick =0;
    $(".longtouch").on({
        touchstart: function(e){
            longClick=0;//设置初始为0
            timeOutEvent = setTimeout(function(){
                location.href = "redstore://downloadImage?url=" + encodeURIComponent(e.srcElement.src)
                //此处为长按事件-----在此显示遮罩层及删除按钮
                longClick=1;//假如长按，则设置为1
            },800);
        },
        touchmove: function(e){
            clearTimeout(timeOutEvent);
            timeOutEvent = 0;
        },
        touchend: function(e){
            clearTimeout(timeOutEvent);
            if(timeOutEvent!=0 && longClick==0){//点击
                //此处为点击事件----在此处添加跳转详情页
            }
            return false;
        }
    });