<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>tab-oop</title>
</head>
<style>
#div1 div{
width: 200px;
height: 200px;
border: 1px solid red;
background-color: #ccc;
display: none;
}
button{
background: white;
}
#div1 button.active{
background: yellow;
}
</style>
<body>
<div id="div1">
<button class="active">aaa</button>
<button>bbb</button>
<button>ccc</button>
<div style="display: block;">aaa</div>
<div>bbb</div>
<div>ccc</div>
</div>
</body>
<script>
window.onload=function(){
new TabSwitch('div1');
}
function TabSwitch(id){
var _this=this;
var oDiv=document.getElementById(id);
this.aBtn=document.getElementsByTagName('button');
this.aDiv=oDiv.getElementsByTagName('div');
for(var i=0;i<this.aBtn.length;i++){
this.aBtn[i].index=i;
this.aBtn[i].onclick=function(){
_this.fnClick(this);
}
}
}
TabSwitch.prototype.fnClick=function(oBtn){
for(var i=0;i<this.aBtn.length;i++){
this.aBtn[i].className='';
this.aDiv[i].style.display='none';
}
oBtn.className='active';
this.aDiv[oBtn.index].style.display='block';
}
</script>
</html>