<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
#div1 .active {
background:yellow;
}
#div1 div {
width: 200px;
height: 200px;
background-color: #ccc;
border:1px solid #999;
display: none;
}
</style>
</head>
<body>
<div id="div1">
<input class="active" type="button" value="教育">
<input type="button" value="培训">
<input type="button" value="招生">
<input type="button" value="出国">
<div style="display:block">今天吃了几盆饭，真是饭桶</div>
<div>睡得跟猪似的</div>
<div>上班开小差</div>
<div>又懒床了</div>
</div>
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//获取div1
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var aBtn = oDiv.getElementsByTagName('input');
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aDiv[j].style.display = 'none';
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this.className = 'active';
aDiv[this.index].style.display = 'block';
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