<!DOCTYPE?html>
<html>
<head>
<title>任意屬性值</title>
<meta?charset="utf-8">
<style>
*{
margin:0;
padding:0;
}
ul,li{
list-style:?none;
}
#li1{
width:?200px;
height:?100px;
background:?yellow;
margin-bottom:?10px;
border:?2px?solid?red;
}
#li2{
width:?200px;
height:?100px;
background:?yellow;
margin-bottom:?10px;
border:?2px?solid?red;
}
</style>
<script>
window.onload=function(){
var?Li1=document.getElementsById('li1');
var?Li2=document.getElementsById('li2');
li1.onmouseover=function(){
startMove(this,'height',400);
}
li1.onmouseout=function(){
startMove(this,'height',100);
}
li2.onmouseover=function(){
startMove(this,'width',400);
}
li2.onmouseout=function(){
startMove(this,'width',200);
}
}
function?startMove(obj,attr,target){
clearInterval(obj.timer);
???obj.timer=setInterval(function(){
var?icur=parseInt(getStyle(obj,attr));
var?speed=(target-icur)/8;
speed=speed>0?Math.ceil(speed):Math.floor(speed);
if?(icur==target)?{
clearInterval(obj.timer);
}?else{
obj.style[attr]=icur+speed+'px';
}//style.width可以寫(xiě)成style['width']
},30)
}
function?getStyle(obj,attr)?{
if?(obj.currentStyle)?{
return?obj.currentStyle[attr];
}?else{
return?getComputedStyle(obj,false)[attr];
};
}
</script>
</head>
<body>
<ul>
<li?id="li1"></li>
<li?id="li2"></li>
</ul>
</body>
</html>
哪位大神幫忙看一下，代碼運(yùn)行不出來(lái)
FLY_QUEEN
2016-04-22 13:39:40
