JS实现Tab切换

时间:2022-04-16 18:53:25
<!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>tab切换</title>

<meta name="keywords" content="" />

<meta name="Description" content="" />

<link rel="stylesheet" type="text/css" href="http://blog.163.com/fan_yishan/css/style.css"/>

<style type="text/css">

ul,li,div {padding:0;margin:0;}

ul li {float:left;width:100px;height:30px;line-height:30px;text-align:center;background-color:#fff;border:1px #bbb solid;border-bottom:none;}

ul li.fli {background-color:#ccc;color:red;}

ul {overflow:hidden;zoom:1;list-style-type:none;}

#tab_con {width:304px;height:200px;}

#tab_con div {width:304px;height:200px;display:none;border:1px #bbb solid;border-top:none;}

#tab_con div.fdiv {display:block;background-color:#ccc;}

</style>

</head>

<body>

<ul id="tab">

<li class="fli">tab1</li>

<li>tab2</li>

<li>tab3</li>

</ul>

<div id="tab_con">

<div class="fdiv">aaaa</div>

<div>bbbb</div>

<div>cccc</div>

</div>

JS代码:

<script type="text/javascript">

var tabs=document.getElementById("tab").getElementsByTagName("li");

var divs=document.getElementById("tab_con").getElementsByTagName("div");

for(var i=0;i<tabs.length;i++){

tabs[i].onclick=function(){change(this);}

}

function change(obj){

for(var i=0;i<tabs.length;i++)

{

if(tabs[i]==obj){

tabs[i].className="fli";

divs[i].className="fdiv";

}

else{

tabs[i].className="";

divs[i].className="";

}

}

}

</script>