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JS多物体 任意值 链式 缓冲运动

2012-08-10 00:00 1036 查看
<!DOCTYPE HTML> 
<html> 
<head> 
<meta http-equiv="content-type" charset="utf-8" /> 
<meta http-equiv="content-type" content="text/html" /> 
<title>demo</title> 
</head> 
<style type="text/css"> 
ul,li,img{margin:0;padding:0;border:0;} 
#list{height:250px;list-style-type:none;overflow:hidden;} 
</style> 
<body> 
<div id="odiv" style="position:absolute;width:200px;height:100px;background:red;left:0;border:1px solid #333;"></div> 
<script type="text/javascript"> 
var odiv=document.getElementById('odiv'); 
odiv.onmouseover=function(){ 
move(this,'width',500,function(){ 
move(odiv,'left',300,function(){ 
move(odiv,'height',500,function(){ 
move(odiv,'borderWidth',10) 
}) 
})});} 
function move(obj,arr,target,fn){ 
var dt=null,speed=0,ol=0; 
clearInterval(dt); 
dt=setInterval(function(){ 
ol=parseInt(obj.style[arr]); 
if(ol==target){ 
clearInterval(dt); 
if(fn) fn(); 
}else{ 
speed=(target-ol)/8; 
speed>0?speed=Math.ceil(speed):speed=Math.floor(speed); 
obj.style[arr]=ol+speed+"px"; 
} 
},30); 
} 
</script> 
</body> 
</html>
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