<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>tab切换</title>
<style type="text/css">
* {padding: 0;margin: 0;}
li {list-style: none;}
.wrapper {
margin: 0 auto;
width: 100%;
max-width: 1140px;
}
.tabbox {
margin: 40px auto;
width: 400px;
height: 200px;
border: 1px solid #f70;
overflow: hidden;
}
.tabbox .tab-tit{
position: relative;
height: 40px;
}
ul {
position: absolute;
left: -1px;
width: 401px;
height: 40px;
line-height: 40px;
background-color: #eaeaea;
}
ul li {
float: left;
border-left: 1px solid #f70;
border-bottom: 1px solid #f70;
text-align: center;
width: 99px;
height: 40px;
overflow: hidden;
}
.clear {clear: both;}
.select {
padding-right: 1px;
border-bottom: none;
background-color: #fff;
}
a:link, a:visited {
font-size: 16px;
font-weight: bold;
color: #888;
text-decoration: none;
}
.select a {
color: #333;
}
a:hover, a:active {
color: #f20;
font-weight: bold;
}
.tab-txt {
width: 400px;
padding: 40px;
overflow: hidden;
}
.demo {display: none;}
.tab-txt p {
line-height: 40px;
}
</style>
</head>
<body>
<div class="wrapper">
<div >
<p>我的剑就是你的剑。</p>
<p>眼睛多，看东西才会更加清楚</p>
</div>
</div>
</div>
</div>
<script type="text/javascript">
function $(id) {
return typeof id === "string" ? document.getElementById(id) : id;
}
window.onload = function() {
var tits = $("tabTit").getElementsByTagName("li");
var txts = $("tabTxt").getElementsByClassName("demo");
if(tits.length != txts.length) {return;}
for(var i=0,l=tits.length; i<l; i++) {
tits[i].id = i;
tits[i].onmouseover = function() {
for(var j=0; j<l; j++) {
tits[j].className = "";
txts[j].style.display = "none";
}
this.className = "select";
txts[this.id].style.display = "block";
}
}
</script>
</body>
</html>