<!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 runat=”server”>
<title>无标题页</title>
<script type=”text/javascript” src=”jquery-1.8.3.js”></script>
<script type=”text/javascript”>
$(document).ready(function() {
$(window).scroll(function() {
//$(document).scrollTop() 获取垂直滚动的距离
//$(document).scrollLeft() 这是获取水平滚动条的距离
if ($(document).scrollTop() <= 0) {
alert(“滚动条已经到达顶部为0”);
}
if ($(document).scrollTop() >= $(document).height() – $(window).height()) {
alert(“滚动条已经到达底部为” + $(document).scrollTop());
}
});
});
</script>
</head>
<body>
<form id=”form1″ runat=”server”>
<div style=”height: 3000px; “>
</div>
</form>
</body>
</html>
赞一个，解决了我的一个问题。转自：http://blog.163.com/kunkun0921@126/blog/static/16920433220134891140441/
