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- HTML/XHTML教程
- HTML表格标记教程(45):表格的表主体标记<TBODY>
- HTML表格标记教程(46):表格的表尾标记<TFOOT>
- XHTML入门学习教程:XHTML超级链接<A>
- HTML表单标记教程(1):<FORM>标记概述
- HTML表单标记教程(2):<FORM>的属性应用
- HTML表单标记教程(3):输入标记<INPUT>
- HTML表单标记教程(4):<SELECT>标记
- HTML表单标记教程(5):文字域标记<TEXTAREA>
- HTML网页超链接标记<A>学习教程
- HTML网页图片标记<IMG>学习教程
- 标记语言：标题
- HTML标记语言：表格标记
- HTML标记语言：引用
- HTML标记语言：表单
- 标记语言：短语元素
- 标记语言：锚点
- 标记语言：再谈清单
- 标记语言：精简标签
- 标记语言：为文字指定CSS样式
- 标记语言：图片替换
HTML/XHTML教程 中的 连动下拉菜单
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-04 浏览: 63 ::
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<html>
<head>
<title>List</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<script LANGUAGE="javascript">
<!--
var onecount;
onecount=0;
subcat = new Array();
subcat[0] = new Array("徐汇区","01","001");
subcat = new Array("嘉定区","01","002");
subcat = new Array("黄浦区","01","003");
subcat = new Array("南昌市","02","004");
subcat = new Array("九江市","02","005");
subcat = new Array("上饶市","02","006");
onecount=6;
function changelocation(locationid)
{
document.myform.smalllocation.length = 0;
var locationid=locationid;
var i;
document.myform.smalllocation.options[0] = new Option('====所有地区====','');
for (i=0;i < onecount; i++)
{
if (subcat[i] == locationid)
{
document.myform.smalllocation.options[document.myform.smalllocation.length] = new Option(subcat[i][0], subcat[i]);
}
}
}
//-->
</script>
</head>
<body>
<form name="myform" method="post">
<select name="biglocation" onChange="changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value)">
<option value="01" selected>上海</option>
<option value="02">江西</option>
</select>
<select name="smalllocation">
<option selected value="">==所有地区==</option>
</select>
</form>
<script LANGUAGE="javascript">
<!--
changelocation(document.myform.biglocation.options[document.myform.biglocation.selectedIndex].value);
//-->
</script>
</body>
</html>
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