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JavaScript+CSS实现仿天猫侧边网页菜单效果

2019-11-20 11:43:29
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本文实例讲述了JavaScript+CSS实现仿天猫侧边网页菜单效果。分享给大家供大家参考。具体如下:

这是一款自己写的仿天猫的菜单效果,二级分类的功能已经实现,但没有美化,留着用的朋友自己完善吧,JS功能已经实现,鼠标移在主分类上,二级分类向右伸出展开,目前淘宝网、天猫购物、京东都在用的导航菜单特效,测试时候请先点击一下菜单,主菜单就显示出来了。

运行效果截图如下:

在线演示地址如下:

http://demo.VeVB.COm/js/2015/js-css-ftamil-web-menu-style-codes/

具体代码如下:

<!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>仿天猫侧边网页菜单</title><style type="text/css">*{margin:0; padding:0;}body{ font-size:14px; font-family:"宋体";}h1, h2, h3{ font-size:14px; font-weight:normal;}li{ list-style:none;}a{ color:#333; text-decoration:none;}#nav{ width:202px; height:35px; background:#C00; margin:50px 0 0 20px;}#nav h1{ padding-left:17px; line-height:35px; color:#fff; margin-right:17px;}#box{ width:200px; border:1px solid #B00; border-top:none; margin-left:20px; display:none;}#subnav{width:200px;}#subnav .list{ width:200px; height:30px;}#subnav .list h2{ width:160px; height:30px; padding-left:30px; line-height:30px; margin-right:10px;}#subnav .list a:hover, #subnav .active a:hover{ color:#900; font-weight:bold;}#subnav .active{ width:200px; height:30px; border-bottom:1px solid #b00; border-top:1px solid #b00; position:relative;}#subnav .active h2{ width:170px; height:30px; padding-left:30px; line-height:30px; background:#fff; position:absolute; left:1px; top:0; z-index:4;}#subnav .list_nav{ width:500px; overflow:hidden; border:1px solid #b00; position:absolute; left:200px; top:-1px; z-index:3; display:none;}</style><script type="text/javascript">window.onload=function(){ var oNav=document.getElementById('nav'); var oBox=document.getElementById('box'); var oSubnav=document.getElementById('subnav'); var aLi=oSubnav.getElementsByTagName('li'); var i=0; oNav.onclick=function() {  if(oBox.style.display=='block')  {   oBox.style.display='none';  }  else  {   oBox.style.display='block';  } } for(i=0;i<aLi.length;i++) {  if(aLi[i].className=='list')  {   aLi[i].onmousemove=function()   {    for(i=0;i<aLi.length;i++)    {     var aDivList=this.getElementsByTagName('div')[0];     aDivList.style.display='block';     this.className='active';    }   }   aLi[i].onmouseout=function()   {    for(i=0;i<aLi.length;i++)    {     var aDivList=this.getElementsByTagName('div')[0];     aDivList.style.display='none';     this.className='list';      }   }  } }};</script></head><body><div id="nav"><h1>所有商品分类</h1></div><div id="box"> <ul id="subnav">  <li class="list">   <h2><a href="#">服饰内衣、鞋靴运动</a></h2>   <div class="list_nav">    <ul>     <li>1</li>     <li>1</li>     <li>1</li>     <li>1</li>    </ul>   </div>  </li>  <li class="list">   <h2><a href="#">电子商品</a></h2>   <div class="list_nav">    <ul>     <li>222</li>     <li>2222</li>     <li>2222</li>     <li>22222</li>    </ul>   </div>  </li>  <li class="list">   <h2><a href="#">服饰内衣、鞋靴运动</a></h2>   <div class="list_nav">    <ul>     <li>3333</li>     <li>3333</li>     <li>3333</li>     <li>3333</li>    </ul>   </div>  </li>  <li class="list">   <h2><a href="#">服饰内衣、鞋靴运动</a></h2>   <div class="list_nav">    <ul>     <li>1</li>     <li>1</li>     <li>1</li>     <li>1</li>    </ul>   </div>  </li> </ul></div></body></html>

希望本文所述对大家的javascript程序设计有所帮助。

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