<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="../js/jquery.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
$(function(){
// 可视区高度
alert($(window).height());
// 页面高
alert($(document).height());
})
</script>
<style type="text/css">
body{
height: 3000px;
}
</style>
</head>
<body>
</body>
</html>
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