Implementing navigation menu highlighting based on jquery (two methods)

Implementing navigation menu highlighting based on jquery (two methods)_javascript skills

WBOY

Release： 2016-05-16 15:43:36

Original

1657 people have browsed it

Project requirements:

Implementation principle: When the current element is selected, add a style to the current element, and remove the style from the same level element.

Click on different navigation menus to highlight the currently clicked menu. Click on a category under the navigation, and the navigation to which the category belongs must also be highlighted. Click on an article, and the navigation menu to which the article belongs must also be highlighted. It’s highlighted.

The rendering is as follows:

Sample code one:

The specific sample code is as follows:

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>我爱学习</title>
<style>
body,ul,ol,li,div,p{margin:0px;padding:0px;}
ul{list-style-type:none;border:1px solid blue;background:#4f5b93;height:45px;}
ul li{float:left;heihgt:45px;line-height:45px;width:100px;text-align:center;}
ul li a:link,a:visited{color:#fff;text-decoration:none;}
.act{background:#ff6600;}
</style>
<script src="../jquery.js"></script>
<script>
$(function(){
$('ul li').eq(0).addClass("act");
 $('ul li').each(function(){
  $(this).click(function(){
    $(this).addClass("act").siblings().removeClass("act");
   })
 })
})
</script>
</head>
<body>
<ul>
<li><a href="http://www.52aixuexi.com/">首页</a></li>
<li><a href="http://www.52aixuexi.com/wdwzml/suibi/">随笔</a></li>
<li><a href="http://www.52aixuexi.com/wdwzml/sucai/">素材</a></li>
<li><a href="http://www.52aixuexi.com/wdwzml/biancheng/">编程</a></li>
</ul>
</body>
</html>

Copy after login

Sample code two:

Add a rel attribute to the link at the menu level and save the href attribute:

<div id="menu" class="main-nav">
      <dl>
       <dt><a href="/C000001916" class="current">首页<span class="mnl"></span></a></dt>
      </dl>
      <dl>
        <dt><a href="/C000001919&#63;lmbm=1" <span style="color: #ff0000;">rel="/C000001919&#63;lmbm=1"</span>>新闻中心<span class="mnl"></span></a></dt>
        <dd class="sn-c">
          <a href="#">产品理念2</a>
          <em>|</em>
          <a href="#">发展历程</a>
          <em>|</em>
          <a href="#">应用范围</a>
          <em>|</em>
          <a href="#">技术架构</a>
        </dd>
      </dl>
      <dl>
        <dt><a href="/C000001919&#63;lmbm=2" <span style="color: #ff0000;">rel="/C000001919&#63;lmbm=2"</span>>产品介绍<span class="mnl"></span></a></dt>
        <dd class="sn-c sn3">
          <a href="#">产品理念</a>
          <em>|</em>
          <a href="#">发展历程3</a>
          <em>|</em>
          <a href="#">应用范围</a>
          <em>|</em>
          <a href="#">技术架构</a>
        </dd>
      </dl>
    </div>

Copy after login

Then compare the URL and rel in the browser address bar. If they are equal, add class to the current tag, and remove the class of other tags.