移动端事件

<div id="div1"></div>
    <script>
        var div1 = document.getElementById("div1");
        div1.addEventListener(‘touchstart‘,start);
        div1.addEventListener(‘touchmove‘,move);
        div1.addEventListener(‘touchend‘,end);
        function start(){
            console.log(‘按下‘);
        }
        function move(){
            console.log(‘移动‘);
        }
        function end(){
            console.log(‘抬起‘);
        }
    </script>