点击按钮后，页面滚动。之前想给Li的click事件添加效果，点击后页面向上滚动，总是没反应。后来发现是Li里面多了个<a href=’#’></a>导致的。不过scrollBy方法之前还真没用过，记录一下。谢谢博问上s似水流年 的指点 。
<script type="text/javascript">
$(document).ready(function () {
$('#btnScroll').click(function () {
window.scrollBy(0, 200);
});
});
</script>
测试代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>
<!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></title>
<link href="css/css.css" rel="stylesheet" type="text/css" />
<script language="javascript" src="js/jquery-1.4.2.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$('#btnScroll').click(function () {
window.scrollBy(0, 200);
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<input type="button" value="滚动" id="btnScroll" />
<div id="test">
<ul>
<li>
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>1修改杀毒时间</span></li>
<li>aa</li>
<li>aa</li>
<li>aa</li>
</ul>
</div>
<div style="border: 0px; background: #a9dbfc;" id='divT01'>
<ul>
<li id='T0101'>
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>1修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='T0102'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>2修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='T0103'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>3修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='T0104'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>4修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='T0105'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li1'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li2'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li3'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li4'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li5'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li6'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
<li id='Li7'><a href="#">
<img src="images/gif-0831.gif" width="16" height="21" border="none" /><span>5修改杀毒时间</span>
<br />
<br />
<br />
<br />
</li>
</ul>
</div>
</form>
</body>
</html>