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Javascript 中的 jQuery 浮动广告实现代码


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用jquery实现的浮动广告代码 实现方法:
<!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>
<title>浮动广告</title>
<style type="text/css">
#qqonline{
background-color:red;
border: 1px solid #fcc;
position:absolute;
top:100px;
left:16px;
width:100px;
height:120px;
}
#qqonline1{
background-color:red;
border: 1px solid #fcc;
position:absolute;
top:100px;
right:16px;
width:100px;
height:120px;
}
</style>
<script src="../js/jquery-1.2.6.js" type="text/javascript"></script>
<script type="text/javascript">
$(this).scroll(function() { // 页面发生scroll事件时触发
var bodyTop = 0;
if (typeof window.pageYOffset != 'undefined') {
bodyTop = window.pageYOffset;
}
else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat')
{
bodyTop = document.documentElement.scrollTop;
}
else if (typeof document.body != 'undefined') {
bodyTop = document.body.scrollTop;
}
$("#qqonline").css("top", 100 + bodyTop) // 设置层的CSS样式中的top属性, 注意要是小写,要符合“标准”
$("#qqonline").text(bodyTop); // 设置层的内容,这里只是显示当前的scrollTop
$("#qqonline1").css("top", 100 + bodyTop)
$("#qqonline1").text(bodyTop);
});
</script>
</head>
<body style="height:1800px"><!-- 给BODY加个样式,让页面出现滚动条 -->
<form id="form1" runat="server">
</form>
<div id="qqonline">
QQ在线服务
</div>
<div id="qqonline1">
QQfsdf在线服务
</div>
</body>
</html>