<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>选项卡</title>
<style type="text/css">
input{background: white;}
.active{background: yellow;}
div{width:200px;height: 100px;background: #ccc;display: none;}
</style>
<script type="text/javascript">
window.onload=function(){
var aBtn=document.getElementsByTagName('input');
var aDiv=document.getElementsByTagName('div');
var i=0;
for (i = 0; i < aBtn.length; i++) {
aBtn[i].index=i;
aBtn[i].onclick=function(){
for(i=0;i<aBtn.length;i++){
aBtn[i].className='';
aDiv[i].style.display='none';
}
// alert(this.index);
aDiv[this.index].style.display="block";
this.className='active';
}
};
}
</script>
</head>
<body>
<input type="button" class="active" value="1" >
<input type="button" value="2">
<input type="button" value="3">
<div style="display:block">111</div>
<div>222</div>
<div>333</div>
</body>
</html>
查看范例