js 选项卡

不看样式，只看效果

html   

<div id="div0">    <input type="button" value="教育"class="active"/>    <input type="button" value="培训"/>    <input type="button" value="招生"/>    <input type="button" value="出国"/>    <div style="display: block">11111</div>    <div>2222</div>    <div>3333</div>    <div>4444</div></div>

css

#div0 div{    width: 200px;    height: 200px;    background: #575757;    border: 1px solid #999;    display: none;}.active{    background: #df3d3c;}

js

window.onload = function(){    var div = document.getElementById("div0");    var but = div.getElementsByTagName('input');    var adiv = div.getElementsByTagName('div');    for(var i = 0;i<but.length;i++){        but[i].index = i;        but[i].onclick = function(){            for(var i = 0 ;i<but.length;i++){                adiv[i].style.display = 'none'                but[i].className = "";            }            this.className = 'active';            adiv[this.index].style.display = 'block';        }    }}