<style type="text/css">
      div{
           width: 100px;
           height: 100px;
           background-color: orange;
           position: absolute;
          }
</style>

        <script type="text/javascript">
            var div0 = document.getElementById("div0");
            var left = 0;
            var bool = true;
            
            setInterval(animation,1000);
            var time = 0;
            div0.addEventListener("click",clickHandler);
            
            
            function clickHandler(e) {
                bool=!bool;
            }
            
            function animation(){
                if(!bool) return;
                console.log("已经过来"+time+"秒");
                left+=20;
                div0.style.left = left+"px";
            }
        </script>