哪出错了？
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>relative样式</title>
<style type="text/css">
div {
width: 200px;
height: 200px;
background: red;
opacity: 0.3;
filter:alpha(opacity:30);
float:left;
margin-left:20px;
}
</style>
<script type="text/javascript">
window.onload=function(){
var oDiv=document.getElementsByTagName("div");
for(var i=0;i<oDiv.length;i++){
var oDiv[i].timer=null;
oDiv[i].onmouseover=function(){
startMove(this,100);
}
oDiv[i].onmouseout=function(){
startMove(this,30);
}
}
}
var alpha=30;
function startMove(obj,b){
clearInterval(obj.timer)
obj.timer=setInterval(function(){
var a=0;
if(alpha>b){
a=-10;
} else {
a=10;
}
if(alpha == b){
clearInterval(obj.timer);
} else {
alpha+=a;
obj.style.filter='alpha(opacity:'+alpha+')';
obj.style.opacity=alpha/100;
}
},30);
}
</script>
</head>
<body>
<div id="div1"></div>
<div id="div2"></div>
<div id="div3"></div>
<div id="div4"></div>
</body>
</html>
慕先生04508541回答
-
蛋黄酱0
把 var oDiv[i].timer=null; 中的var 删除
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相关分类
JavaScript