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JQuery 锚点连接屏幕滚动

时间:2015-09-18 18:30:08      阅读:205      评论:0      收藏:0      [点我收藏+]

直接上代码:

<!DOCTYPE html>
<html class="no-js" lang="en"><head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
        <meta charset="utf-8">
        <script src="jquery1_files/jquery.js"></script>

            </head>
<script type="text/javascript">
$(function(){
    
       $(window).scroll(function(){
             //为页面添加页面滚动监听事件
                  var wst =  $(window).scrollTop() //滚动条距离顶端值
                 for (i=1; i<6; i++){             //加循环
                  if($("#a"+i).offset().top<=wst){ //判断滚动条位置
                     $(#nav a).css("background-color","white"); //清除c类
                     $("#a"+i+i).css("background-color","red");    //给当前导航加c类
                     }
                 }         
      })
       $(#nav a).click(function(){
        $(#nav a).css("background-color","white");//清除c类
        $(this).css("background-color","red");//给当前导航加c类
        });
});
</script>
<div id="nav" style="position:fixed;width:500px;height:200px; top:10px;right:10px;" >
<a id="a11" href="#a1" class="c">书籍目录</a>
<a id="a22" href="#a2">作品试读</a>
<a id="a33" href="#a3">购买须知</a>
<a id="a44" href="#a4">注意事项</a>
<a id="a55" href="#a5">用户点评</a>
</div>
<br /><br />
页面结构如下:
<div id="a1">测试</div>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>
</div>
<div id="a2">测试</div>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>
</div>
<div id="history">

    <p>history内容</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>
</div>
<div id="a3">测试</div>
<div id="history">

    <p>history内容</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>
</div>
<div id="a4">测试</div>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>
</div>
<div id="a5">测试
<p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>

    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
    <p>&nbsp;</p>
  <p>&nbsp;    </p>
</div>
</body></html>

解决随屏幕滚动问题,希望对大家有帮助。

JQuery 锚点连接屏幕滚动

原文:http://www.cnblogs.com/ljl0513/p/4819944.html

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