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js implements multi-level menu code with highlighting effect_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:41:241481browse

The example in this article describes the js implementation of multi-level menu code with highlighting effect. Share it with everyone for your reference. The details are as follows:

This is a menu with a highlight effect. The menu design is relatively simple. When you place the mouse on the first-level menu, you can see the highlight effect of the second-level menu. The overall style is simple and elegant, and it is suitable for some "clean" applications. "A website without too much polish.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-blink-show-style-menu-codes/

The specific 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>具有高亮效果的菜单</title>
<style type="text/css">
body{ font:12px/22px "微软雅黑","宋体"; background:url(); color:#5d5d5d;}
*{ padding:0; margin:0;}
a{outline:none; text-decoration:none; color:#5d5d5d;}
a:active{noOutline:expression(this.onFocus=this.blur());}
:focus{outline:0;}
a img{ border:none;}
ul li{ list-style:none;}
.t_nav{ height:35px; line-height:35px; background:#008c9c url() no-repeat 720px 5px; margin-bottom:20px;}
.dropdown{ width:690px; padding-left:10px; float:left; position:relative; z-index:100;}
.dropdown li{ height:35px; font-size:14px; float:left; zoom:1;}
.dropdown li a{ color:#FFF;}
.t_nav .sou_suo{ width:300px; float:left; height:30px; padding-top:5px; overflow:hidden; line-height:22px;}
.t_nav .sou_suo span{ display:inline-block;}
.d_s_1{ width:195px; margin-left:25px;}
.d_s_1 input{ width:165px; background:none; border:none;}
.d_s_2 input{ width:48px; border:none; cursor:pointer; background:none;}
ul.dropdown li:last-child a { border-right: none; } 
ul.dropdown li.hover,ul.dropdown li:hover {position: relative;}
ul.dropdown li.hover a{ color:#008C9C;}
ul.dropdown ul{visibility: hidden;position: absolute;top: 35px;left: 1px;z-index:20;}
ul.dropdown ul li{background:#008C9C; border-top: 2px solid #ccc; float: none; height:auto;line-height:25px; color:#FFF;}
ul.dropdown li:hover > ul{ visibility: visible; }
#Nav .sub_menu li{ background:none; _width:76px; _overflow:hidden;}
body #Nav .hover a{ background:#008c9c; color:#fff;}
body #Nav a{ display:inline-block; width:auto; height:35px; padding:0 10px; margin:0 1px;}
body #Nav a:hover,body #Nav .cur a{ background-color:#fff; color:#008c9c}
body #Nav .sub_menu li.cur a{ background:#008c9c; color:#fff;}
body #Nav .sub_menu a{ margin:0; background:#008c9c; color:#fff; line-height:30px; height:30px;}
body #Nav .sub_menu .hover a{ background:#008c9c; color:#fff;}
body #Nav .sub_menu .hover a:hover{ background:#fff; color:#008c9c;}
body #Nav .cur{ position:relative;}
body #Nav .cur .sub_menu{ position:absolute;}
</style>
</head>
<body>
<div class="t_nav">
  <ul class="dropdown" id="Nav">
  <li><a href="#">首页</a></li>
  <li><a href="#">关于我们</a></li>
  <li><a href="#">新闻资讯</a>
   <ul class="sub_menu">
   <li><a href="#">公司新闻</a></li>
   <li><a href="#">图片新闻</a></li>
   <li><a href="#">媒体聚焦</a></li>
   <li><a href="#">行业资讯</a></li>
  </ul>
  </li>
  <li><a href="#">公司业务</a></li>
  <li><a href="#">合作伙伴</a></li>
  <li><a href="#">经典案例</a></li>
  <li><a href="#">诚聘英才</a></li>
  <li><a href="#">联系我们</a></li>
 </ul>
<script language="javascript">
function setCookie(name,value,time_sec){
 var Days = 30;
 var exp = new Date();
 exp.setTime(exp.getTime() + time_sec*1000);
 document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString() + ";";
}
function getCookie(name){
 var arr = document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
 if(arr != null) return unescape(arr[2]); return null;
}
var o=document.getElementById("Nav").getElementsByTagName("li");
var m=getCookie("NavIndex");
if(!isNaN(m) && m!=null){
 o[m].className="cur";
}else{
 o[0].className="cur";
}
for(var n=0;n<o.length;n++){
 o[n].onclick=function(){
  for(var i=0;i<o.length;i++){
   o[i].className="";
   o[i].index=i;
   }
  this.className="cur";
  setCookie("NavIndex",this.index,3600*24*365);
 }
}
</script>
 <div class="sou_suo">
  <span class="d_s_1"><input name="" type="text" /></span>
  <span class="d_s_2"><input name="" type="button" /></span>
 </div>
 </div>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming design.

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