网页上下两边加广告横幅
网页左右两边加广告横幅
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>无标题文档</title>
<style>
body{margin:0; padding:0}
#adleft,#adright{width:30px; height:100px; padding:20px; font:14px/20px arial; text-align:center; background:#06c; position:absolute; cursor:pointer; color:#fff}
#adleft{left:0; top:150px; }
#adright{right:0; top:150px;}
</style>
<script>
window.onload = function(){
var adleft = document.getElementById("adleft");
var adright = document.getElementById("adright");
var adtop = adleft.offsetTop;
window.onscroll = function(){
adleft.style.top = adtop + (document.documentElement.scrollTop || document.body.scrollTop) +"px";
adright.style.top = adtop + (document.documentElement.scrollTop || document.body.scrollTop) +"px";
}
}
</script>
</head>
<body style="height:2000px;">
<h1>左右广告</h1>
<div id="adleft">左边广告</div>
<div id="adright">右边广告</div>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>无标题文档</title>
<style>
body{margin:0; padding:0}
#adleft,#adright{width:30px; height:100px; padding:20px; font:14px/20px arial; text-align:center; background:#06c; position:absolute; cursor:pointer; color:#fff}
#adleft{left:0; top:150px; }
#adright{right:0; top:150px;}
</style>
<script>
window.onload = function(){
var adleft = document.getElementById("adleft");
var adright = document.getElementById("adright");
var adtop = adleft.offsetTop;
window.onscroll = function(){
adleft.style.top = adtop + (document.documentElement.scrollTop || document.body.scrollTop) +"px";
adright.style.top = adtop + (document.documentElement.scrollTop || document.body.scrollTop) +"px";
}
}
</script>
</head>
<body style="height:2000px;">
<h1>左右广告</h1>
<div id="adleft">左边广告</div>
<div id="adright">右边广告</div>
</body>
</html>