<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
#div1 div{
200px;height: 200px;
border:1px solid #999;
display: none;
}
.active{
background:red;
}
</style>
</head>
<body>
<div id="div1">
<input class="active" type="button" value="1">
<input type="button" value="2">
<input type="button" value="3">
<div style="display: block;">111111111111</div>
<div >222222222222</div>
<div >333333333333</div>
</div>
<script>
window.onload = function(){
var t1 = new Tab();
t1.init();
}
// 全局变量就是属性
function Tab(){
this.oParent = document.getElementById("div1");
this.aInput = this.oParent.getElementsByTagName("input");
this.aDiv = this.oParent.getElementsByTagName("div");
}
// 函数就是方法
Tab.prototype.init = function(){
var This = this;
console.log(111,this)
for(var i=0 ; i < this.aInput.length; i++){
this.aInput[i].index = i;
this.aInput[i].onclick = function(){
console.log(222,this)
// This.change(this);
for(var i=0 ; i < This.aInput.length; i++){
This.aInput[i].className = "";
This.aDiv[i].style.display = "none";
}
this.className = "active";
This.aDiv[this.index].style.display = "block";
}
}
}
</script>
</body>
</html>