為什么我的鼠標(biāo)放上去都沒用反應(yīng) ?。看a如下,哪里錯(cuò)了,求大神指點(diǎn)
<!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>無標(biāo)題文檔</title>
<style>
*{margin:0px;padding:0px;}
ul,li{
list-style:none;
}
ul li{
width:200px;
height:100px;
background:yellow;
margin-bottom:20px;
}
</style>
? <script>
??
? ?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].onmousOout=function(){
? startMove(this,200)
? }
? }
? //var timer=null;
? function startMove(obj,iTarget){
? clearInterval(obj.timer);
? obj.timer=setInterval(function(){
? var speed=(iTarget-obj.offsetWidth)/8;
? alert(speed)
? 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>
<li></li>
</ul>
</body>
</html>
2016-07-06
你的for循環(huán)少了大括號(hào),還有onmouseoover和onmouseout寫錯(cuò)了。騷年要仔細(xì)啊。