透明度不会变化，别的可以变化,求帮忙看下
透明度不会变化，别的可以变化
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
body,ul,li{
margin: 0;
padding: 0;
}
ul,li{
list-style: none;
}
ul li{
width: 200px;
height: 100px;
background: yellow;
margin-bottom: 20px;
border:5px solid black;
}
ul #li1{
filter:alpha(opacity:30) ;
opacity:0.3;
}
</style>
</head>
<body>
<ul>
<li id="li1"></li>
<li id="li2"></li>
</ul>
<script>
window.onload=function () {
// var list=document.getElementsByTagName('li')
// for (var i=0;i<list.length;i++){
// list[i].times=null;
// list[i].onmouseover=function () {
// startMove(this,400);
// }
// list[i].onmouseout=function () {
// startMove(this,200);
// }
// }
var li1=document.getElementById('li1');
var li2=document.getElementById('li2');
// li1.times=null;
// li2.times=null;
// li3.times=null;
li1.onmouseover=function () {startMove(this,100,'opacity')}
li1.onmouseout=function () {startMove(this,30,'opacity')}
li2.onmouseover=function () {startMove(this,200,'height')}
li2.onmouseout=function () {startMove(this,100,'height')}
}
//var times=null;
function startMove(obj,iTarget,sty){
clearInterval(obj.times);
obj.times=setInterval(function () {
var icur=0;
if(sty=='opacity'){
icur=Math.round(parseFloat(getStyle(obj,sty)))*100;
}
else {icur=parseInt(getStyle(obj,sty))}
var speed=(iTarget-icur)/10;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if(icur==iTarget){
clearInterval(obj.times);
}
else{
if(sty=='opacity'){
odiv.style.filter='alpha(opacity:'+icur+speed+')';
odiv.style.opacity=(icur+speed)/100;
}
else{obj.style[sty]=icur+speed+'px';}
}
},15)
}
function getStyle(obj,sty) { //获取样式
if(obj.currentStyle){
return obj.currentStyle[sty]; //IE下的
}
else {return getComputedStyle(obj,false)[sty]}//火狐下的
}
</script>
</body>
</html>
