本文实例讲述了js实现全国省市二级联动下拉选择菜单，分享给大家供大家参考。具体如下：
效果图：
具体代码：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
[removed]
//好像不是这样子
var arr_province = ["请选择省/城市","北京市","上海市","天津市","重庆市","深圳市","广东省","河南省"];
var arr_city = [
