<html>
<head>
<meta?http-equiv="Content-Type"?content="text/html;?charset=utf-8"?/>?
<title>無標(biāo)題</title>
<style?type="text/css">
body,ul{
????????margin:?0;
????????padding:?0;
????}
ul,li{
list-style:?none;
}
ul?li{
width:?200px;
height:?100px;
background-color:?yellow;
margin-bottom:?10px;
}
</style>
<script?type="text/javascript">
window.onload?=?function(){
var?aLi=document.getElementsByTagName('li');
for?(var?i?=?0;?i?<?aLi.length;?i++)?{
aLi[i].timer?=?null;
aLi[i].onmouseover=function(){
startMove(this,400);
}
aLi[i].onmouseout?=?function(){
startMove(this,200);
}
}
}
//var?timer=null;
function?startMove(obj,iTarget){
clearInterval(obj.timer);
obj.timer?=?setInterval(function(){
var?speed?=(iTarget-obj.offsetWidth)/10;
speed?=?speed>0?Math.ceil(speed):Math.floor(speed);
if?(obj.offsetWidth?==?iTarget)?{
clearInterval(obj.timer);
}
else{
obj.style.Width?=?obj.offsetWidth?+?speed?+'px';
}
},30)
}
</script>
</head>
<body>
<ul>
<li></li>
<li></li>
<li></li>
</ul>
</body>
</html>
為什么這段代碼不能實(shí)現(xiàn)
慕無忌4211947
2016-04-26 21:42:17