利用jQuery实现页面定位滚动代码

代码结构

1. 引入JS

<script src="js/jquery-1.8.3.min.js"></script>

2. HTML代码

<div class="weeks">
  <ul class="weekItem" id="weektab">
    <li>周一</li>
    <li>周二</li>
    <li>周三</li>
    <li>周四</li>
    <li>周五</li>
    <li>周六</li>
    <li>周日</li>
  </ul>
  <div class="box01_c" id="weekcon">
    <div style="position:relative;">
      <dl>
        <dt>周一</dt>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
      <dl>
        <dt>周二</dt>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
      <dl>
        <dt>周三</dt>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
      <dl>
        <dt>周四</dt>
        <dd><span class="today">今日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
      <dl>
        <dt>周五</dt>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
      <dl>
        <dt>周六</dt>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd> 
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
      <dl>
        <dt>周日</dt>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
        <dd><span>11-3日更新</span><a href="http://www.51qianduan.com/">51前端 - 让开发更简单（www.51qianduan.com）</a></dd>
      </dl>
    </div>
  </div>
</div>