JavaScript多物体缓冲运动实现详解

<!DOCTYPE HTML>
<html>
<head>
 <meta http-equiv="content-type" charset="utf-8" />
  <meta http-equiv="content-type" content="text/html" />
  <title>demo</title>
</head>
<body>
<div id="odiv" style="position:absolute;width:200px;height:200px;background:red;left:0;"></div>
<div id="odiv1" style="position:absolute;width:200px;height:200px;background:red;left:0;top:250px;"></div>
<script type="text/javascript">
var odiv=document.getElementById('odiv');
var odiv1=document.getElementById('odiv1');
odiv.onclick=function(){move(odiv,500);}
odiv1.onclick=function(){move(odiv1,500);}
function move(obj,target){
  clearInterval(dt);
var dt=setInterval(function(){
var ol=parseInt(obj.style.left);
  if(ol==target){
    clearInterval(dt);
  }else{
var speed=(target-ol)/8;
    speed>0?speed=Math.ceil(speed):speed=Math.floor(speed);
    obj.style.left=ol+speed+"px";
  }
  },30);
}
</script>
</body>
</html>