javascript 通用简单的table选项卡实现_javascript技巧

/**
* @author Sky
*/
var table=function(index,id,active)
{
table=new Table(index,id,active);
table.bind();
}
var Table=function(index,id,active)
{
this.index=parseInt(index);
this.arr=document.getElementById(id).getElementsByTagName("li");
this.active=active;
}
Table.prototype={
bind:function()
{
this.arr[this.index].className=this.active;//初始化
var _self=this;
for (var i = 0; i {
this.arr[i].setAttribute("ext", i);
this.arr[i].onclick = function(e)
{
var _e = window.event||e;
var _target=_e.srcElement || _e.target;
_self.setClass(parseInt(_target.getAttribute("ext")));
}
}
},
setClass:function(index)
{
this.arr[this.index].className="";
this.arr[index].className=this.active;
this.index=index;
}
}