<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="" />
<meta name="copyright" content="" />
<meta name="description" content="" />
<title>面向对象选项卡</title>
<style>
.on{ background:#399; color:#fff;}
.box div{ width:300px; height:300px; border:1px solid #000; display:none;}
</style>
<script>
function tap(id)
{
if(!id) return
this.oBox=document.getElementById(id);
this.aBtn=this.oBox.getElementsByTagName(‘input‘);
this.aDiv=this.oBox.getElementsByTagName(‘div‘);
this.init();
};
tap.prototype.init=function(){
var _this=this;
for(var i=0;i<this.aBtn.length;i++)
{
(function(index){
_this.aBtn[i].onclick=function(){
_this.fnClick(index)
};
})(i);
};
};
tap.prototype.fnClick=function(index){
for(var i=0;i<this.aBtn.length;i++)
{
this.aBtn[i].className=‘‘;
this.aDiv[i].style.display=‘none‘;
}
this.aBtn[index].className=‘on‘;
this.aDiv[index].style.display=‘block‘;
};
function autoTap(id)
{
tap.apply(this,arguments)
}
autoTap.prototype=new tap;
autoTap.prototype.constructor=autoTap;
window.onload=function(){
new tap(‘box‘);
new autoTap(‘box2‘)
};
</script>
</head>
<body>
<div id="box" class="box">
<input class="on" type="button" value="aaa">
<input type="button" value="bbb">
<input type="button" value="ccc">
<div style="display:block;">111</div>
<div>222</div>
<div>333</div>
</div>
<div id="box2" class="box">
<input class="on" type="button" value="aaa">
<input type="button" value="bbb">
<input type="button" value="ccc">
<div style="display:block;">111</div>
<div>222</div>
<div>333</div>
</div>
</body>
</html>