用js实现select对div的隐藏与显示
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>无标题文档</title></head>
<body>
<script type="text/javascript">function change(a){ var xxx = document.getElementById("xxx"); var divArray = xxx.getElementsByTagName("div"); for (var i=0;i<divArray.length;i++) { if (divArray[i].id == a) { divArray[i].style.display=''; }else { divArray[i].style.display='none'; } }}</script>
<div id=xxx>
<div id=aaa><h1>aa</h1>aaaa</div><div id=bbb style="display:none ">bbbb</div><div id=ccc style="display:none ">cccc</div>
</div>
<select onChange="change(this.value)"> <option value="aaa">aaa</option> <option value="bbb">bbb</option> <option value="ccc">ccc</option></select></body></html>
