<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
div{width:100px;height:100px;background-color:red;margin:10px;float:left;filter:alpha(opacity:30);opacity:0.3}
</style>
<script>
/*offsetWidth和border一起使用时的BUG如何解决*/
function getStyle(obj,name){
if(obj.currenStyle){
return obj.currtnStyle(name);
}else{
return obj.getComputedStyle(obj,false)[name];
}
}
function startMove(obj,attr,iTaret){
var cur=parseInt(getStyle(this,attr));
clearInterval(obj.timer);
obj.timer=setInterval(function(){
var speed=(iTaret-cur)/6;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(cur==iTaret){
clearInterval(obj.timer);
}else{
obj.style[attr]=cur+speed+'px';
}
},30)
}
window.onload=function(){
var oDiv=document.getElementsByTagName('div');
for(var i=0;i<oDiv.length;i++){
oDiv[i].timer=i;
oDiv[i].onmouseover=function(){
startMove(this,width,400);
}
oDiv[i].onmouseout=function(){
startMove(this,width,100);
}
}
}
</script>
</head>
<body>
<div></div>
<div></div>
<div></div>
<div></div>
</body>
</html>