请问:动态级联菜单怎样实现,请赐予源代码,谢谢 http://fason.nease.net/zhuanti/tree/XML.zip 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 不好意思,我要的是纯JAVASCRIPT的代码 <form name=form1><select name=province onchange="cityName(this.selectedIndex)"> <option value="">请选择省名</option></select><select name=city> <option value="">请选择城名</option></select></form><script language=javascript>var city1 = ["杭州", "宁波", "温州", "绍兴", "金华", "湖州"];var city2 = ["南京", "苏州", "无锡", "常州", "镇江", "徐州"];var city3 = ["合肥", "翕县", "黄山", "祁门", "休宁"];var city4 = ["南昌", "九江", "赣州", "上饶", "新余", "景德镇"]; var provinceName = ["浙江", "江苏", "安徽", "江西"];function province(){ var e = document.form1.province; for (var i=0; i<provinceName.length; i++) e.options.add(new Option(provinceName[i], provinceName[i]));}function cityName(n){ var e = document.form1.city; for (var i=e.options.length; i>0; i--) e.remove(i); if (n == 0) return; var a = eval("city"+ n); //得到城市的数组名 for (var i=0; i<a.length; i++) e.options.add(new Option(a[i], a[i]));}function window.onload(){ province(); //初始时给省名下拉菜单赋内容}</script> jquery的height()方法在chrome中无法正常工作 求个正则表达式 FCKeditor编辑器按回车键后产生的奇怪问题 如何将这段隐藏框架的代码里的3和4改为相对应的图片? XML类,在FF下无法运行getElementsByTagName js如何将字符串数字(包括小数)转换为数值? 为何多行删除不了,且报错 location.href= 'index.html';这句什么时候会触发的? 有请js高手帮我看看阿信的这段代码,我想改成sql的,但是却怎么都改不好 求一问卷调查系统 一段“选一”再“选二”的联动选择框! 什么时候初始化下拉框
<select name=province onchange="cityName(this.selectedIndex)">
<option value="">请选择省名</option>
</select><select name=city>
<option value="">请选择城名</option>
</select>
</form><script language=javascript>var city1 = ["杭州", "宁波", "温州", "绍兴", "金华", "湖州"];
var city2 = ["南京", "苏州", "无锡", "常州", "镇江", "徐州"];
var city3 = ["合肥", "翕县", "黄山", "祁门", "休宁"];
var city4 = ["南昌", "九江", "赣州", "上饶", "新余", "景德镇"];
var provinceName = ["浙江", "江苏", "安徽", "江西"];
function province()
{ var e = document.form1.province;
for (var i=0; i<provinceName.length; i++)
e.options.add(new Option(provinceName[i], provinceName[i]));
}
function cityName(n)
{
var e = document.form1.city;
for (var i=e.options.length; i>0; i--) e.remove(i);
if (n == 0) return;
var a = eval("city"+ n); //得到城市的数组名
for (var i=0; i<a.length; i++) e.options.add(new Option(a[i], a[i]));
}
function window.onload()
{
province(); //初始时给省名下拉菜单赋内容
}
</script>