Javascript面向对象及组件的详细介绍（三）面向对象的拖拽

来源：互联网发布：砍价软件有哪些编辑：程序博客网时间：2024/06/08 00:48

面向对象的拖拽

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<style>
#div1 div,#div2 div{ width:200px; height:200px; border:1px #000 solid; display:none;}
.active{ background:red;}
</style>
<script>
/*var arr = [4,7,1,3];
arr.sort(); // 1 3 4 7
var arr2 = [4,7,1,3];
arr2.push(5);
arr2.sort(); // 1 3 4 5 7
*/
window.onload = function(){
var t1 = new Tab('div1');
t1.init();
t1.autoPlay();
var t2 = new Tab('div2');
t2.init();
t2.autoPlay();
};
function Tab(id){
this.oParent = document.getElementById(id);
this.aInput = this.oParent.getElementsByTagName('input');
this.aDiv = this.oParent.getElementsByTagName('div');
this.iNow = 0;
}
Tab.prototype.init = function(){
var This = this;
for(var i=0;i<this.aInput.length;i++){
this.aInput[i].index = i;
this.aInput[i].onclick = function(){
This.change(this);
};
}
};
Tab.prototype.change = function(obj){
for(var i=0;i<this.aInput.length;i++){
this.aInput[i].className = '';
this.aDiv[i].style.display = 'none';
}
obj.className = 'active';
this.aDiv[obj.index].style.display = 'block';
};
Tab.prototype.autoPlay = function(){
var This = this;
setInterval(function(){
if(This.iNow == This.aInput.length-1){
This.iNow = 0;
}
else{
This.iNow++;
}
for(var i=0;i<This.aInput.length;i++){
This.aInput[i].className = '';
This.aDiv[i].style.display = 'none';
}
This.aInput[This.iNow].className = 'active';
This.aDiv[This.iNow].style.display = 'block';
},2000);
};
</script>
</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">11111</div>
<div>22222</div>
<div>33333</div>
</div>
<div id="div2">
<input class="active" type="button" value="1">
<input type="button" value="2">
<input type="button" value="3">
<div style="display:block">11111</div>
<div>22222</div>
<div>33333</div>
</div>
</body>
</html>

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