Nav 切换

<!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" /> 
  <script src="new/js/jquery-3.2.1.min.js" type="text/javascript"></script> 
  <!--以上script是导入的jquery文件--> 
  <title>无标题文档</title> 
  <!--  此处样式可以看成是外部一个.css里面的内容,用法一样--> 
  <style type="text/css">
.mainnav{ background:#292929; height:43px; margin-top:1px; margin-bottom:10px;}
.mainnav ul{}
.mainnav ul li{ float:left; display:inline;  right no-repeat; padding-right:2px;}
.mainnav ul li a{ display:inline-block; height:43px; line-height:43px; padding:0 23px; font-size:14px; color:#fff; font-weight:bold;}
.mainnav ul li a:hover{ text-decoration:none; color:#e87717;}
.mainnav ul li.on a{ color:#e87717;}

</style> 
 </head> 
 <body> 
  <div class="mainnav"> 
   <ul> 
    <li class="on"><a href="#">首页</a></li> 
    <li><a href="#">主页</a></li> 
    <li><a href="#">足球</a></li> 
    <li><a href="#">篮球</a></li> 
    <li><a href="#">台球</a></li> 
   </ul> 
  </div> 
  <script type="text/javascript">
   $(document).ready(function () {
    $('li').bind('click',function(){
            $(this).addClass('on');
            $('li').not($(this)).removeClass('on');
    });
});
</script>   
 </body>
</html>
原文地址:https://www.cnblogs.com/valor-xh/p/7685311.html