<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>5秒后关闭广告</title>
<style type="text/css">
img{
width: 100px;
height: 400px;
position: absolute;
}
ul{
list-style: none;
}
ul li{
font-size: 25px;
}
#left{
left: 0px;
}
#right{
right: 0px;
}
</style>
</head>
<body>
<img id="left" src="img/left.jpg">
<img id="right" src="img/right.jpg">
<ul>
<li>点</li>
<li>点</li>
<li>点</li>
</ul>
</body>
<script type="text/javascript">
window.onload=function (ev) {
var left=document.getElementById('left');
var right=document.getElementById('right');
setTimeout(function () {
left.style.display="none";
right.style.display="none";
},5000)
}
</script>
</html>
