<!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>
原文：http://www.cnblogs.com/lanyueff/p/5006631.html
