js实现tab选项卡自动切换效果，当用户的鼠标经过选项时立即切换显示，可根据自己的需求来自定义。
<!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=gb2312" />
<meta name="keywords" content="武鸣人网站,武鸣信息网,武鸣本地网,武鸣信息资源平台,减肥,健身,励志,励志语录,js特效,网页特效,www.wuming.ren">
<meta name="description" content="欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。">
<title>js实现Tab选项卡自动切换特效_武鸣人</title>
<style>
OL LI {
MARGIN: 8px
}
#con_wuming_ren {
FONT-SIZE: 12px; MARGIN-RIGHT: 2px; WIDTH: 480px
}
#tags {
PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px 0px 0px 0px; WIDTH: 450px; PADDING-TOP: 0px; HEIGHT: 23px
}
#tags LI {
FLOAT: left; MARGIN-RIGHT: 1px; LIST-STYLE-TYPE: none; HEIGHT: 23px
}
#tags LI A {
PADDING-RIGHT: 10px; PADDING-LEFT: 10px; FLOAT: left; PADDING-BOTTOM: 0px; COLOR: #999; LINE-HEIGHT: 23px; PADDING-TOP: 0px; HEIGHT: 23px; TEXT-DECORATION: none
}
#tags LI.emptyTag {
BACKGROUND: none transparent scroll repeat 0% 0%; WIDTH: 4px
}
#tags LI.selectTag {
BACKGROUND-POSITION: left top; MARGIN-BOTTOM: -2px; POSITION: relative; HEIGHT: 25px
}
#tags LI.selectTag A {
BACKGROUND-POSITION: right top; COLOR: #000; LINE-HEIGHT: 25px; HEIGHT: 25px
}
#tagContent {
BORDER-RIGHT: #ddd 1px solid; PADDING-RIGHT: 1px; BORDER-TOP: #ddd 1px solid; PADDING-LEFT: 1px; PADDING-BOTTOM: 1px; BORDER-LEFT: #ddd 1px solid; PADDING-TOP: 1px; BORDER-BOTTOM: #ddd 1px solid;
}
.tagContent {
PADDING-RIGHT: 2px; DISPLAY: none; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; WIDTH: 480px; PADDING-TOP: 5px; HEIGHT: 210px
}
#tagContent DIV.selectTag {
DISPLAY: block
}
#tagContent li {
float: left;
padding-left:1px;
padding-bottom:7px;
}
#tagContent li span{
float: right;
color:#ccc;
font-size:10px;
}
</style>
</head>
<body>
<a href="https://www.wuming.ren">武鸣人</a>，各种信息资源免费发布，分享励志语录经典短句，减肥健身常识，各种js特效代码。网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)<hr>
<!--欢迎来到武鸣人信息资源平台，各种信息免费发布，资源共享合作共赢，分享互联网流行的励志语录经典短句，减肥健身健康小常识及打卡记录，收集各种js特效代码。-->
<script type="text/javascript" src="https://www.wuming.ren/ad/tc.js"></script>
<script type="text/javascript" src="https://www.wuming.ren/ad/a.js"></script>
<div id="big" onmouseover="zhuan()" onmouseout="jixu()" class="column480" style="padding-left:3px;">
<DIV id="con_wuming_ren">
<UL id="tags">
<LI class="selectTag"><A onmouseover="selectTag('tagContent0',this)" href="javascript:void(0)">武鸣人一号</A> </LI>
<LI><A onmouseover="selectTag('tagContent1',this)" href="javascript:void(0)">武鸣人二号</A></LI>
<LI><A onmouseover="selectTag('tagContent2',this)" href="javascript:void(0)">武鸣人三号</A></LI>
</UL>
<DIV id="tagContent">
<DIV class="tagContent selectTag" id="tagContent0">武鸣人一号内容：<a href="https://www.wuming.ren">武鸣人</a>，各种信息免费发布，资源共享合作共赢！</DIV>
<DIV class="tagContent" id="tagContent1">武鸣人二号内容：<a href="https://www.wuming.ren">武鸣人</a>，各种信息免费发布，资源共享合作共赢！</DIV>
<DIV class="tagContent" id="tagContent2">武鸣人三号内容：<a href="https://www.wuming.ren">武鸣人</a>，各种信息免费发布，资源共享合作共赢！</DIV>
</DIV>
</DIV>
<SCRIPT type="text/javascript">
var obig=document.getElementById("big");
function selectTag(showContent,selfObj){
var tag = document.getElementById("tags").getElementsByTagName("li");
var taglength = tag.length;
for(i=0; i<taglength; i++){
tag[i].className = "";
}
selfObj.parentNode.className = "selectTag";
for(i=0; j=document.getElementById("tagContent"+i); i++){
j.style.display = "none";
}
document.getElementById(showContent).style.display = "block";
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
var x=0;
function scrollTag(){
var tags=document.getElementById("tags").getElementsByTagName("a");
if(x<2){x=x+1}
else
x=0;
var tag = document.getElementById("tags").getElementsByTagName("li");
var taglength = tag.length;
for(i=0; i<taglength; i++){
tag[i].className = "";
}
tags[x].parentNode.className = "selectTag";
for(i=0; j=document.getElementById("tagContent"+i);i++){
j.style.display="none";
}
document.getElementById("tagContent"+x).style.display="block";
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
var scrolll=setInterval(scrollTag,2000);
function zhuan(){
clearInterval(scrolll);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
function jixu(){
scrolll=setInterval(scrollTag,2000);
}//武鸣人网站https://www.wuming.ren 网站很好记住，wuming.ren(武鸣拼音.ren域名后缀)
</SCRIPT>
</div>
</body>
</html>