为什么不对啊 大神帮忙看看
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<title>练习</title>
<style type="text/css" media="screen">
*{padding:0;margin:0;}
ul{list-style: none;margin-left: 20px;}
li{float: left;}
a{text-decoration:none;height:40px;width:100px;background-color: #ccc;display:block;text-align: center;line-height: 40px;margin-bottom: 15px;}
a:hover{background-color: #ecc;color: #fff;
}
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window.onload=function(){
var aA=document.getElementsByTagName('a');
for(var i=0;i<aA.length;i++)
{
aA[i].onmouseover=function(){
var This=this;
This.time=setInterval(function(){
This.style.width=This.offsetWidth+8+"px";
if(This.offetWidth>=130){
clearInterval(This.time);
}
},30);
}
aA[i].onmouseout=function(){
var This=this;
This.time=setInterval(function(){
This.style.width=This.offsetWidth-8+"px";
if(This.offetWidth<=100){
This.style.width="100px";
clearInterval(This.time);
}
},30);
}
}
}
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慕粉37603671回答
-
stone310
1。if（XXX）里面的offsetWidth拼错了2。每个事件的开始 ，即var This=this 后面要加上clearInterval(This.time);先停止上一次的计时器，否则来回移动会出现bug
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相关分类
JavaScript