本文实例讲述了js实现的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：
运行效果截图如下：
在线演示地址如下：
http://demo.jb51.net/js/2015/js-province-city-cho-menu-codes/
具体代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>js全国省市二级联动下拉选择菜单</title> </head> <body> <script language="javascript" src="city.js"></script> <form action="" method=post name=form1> <table width=300 border=0 cellspacing="0" cellpadding="1" !bgcolor=#FFFDE6> <tr> <td align="right">省份：</td> <td> <select name="selectp" onChange="selectcityarea('selectp','selectc','form1');"> <option value="0" selected>选择省份</option> </select> </td> </tr> <tr> <td align="right">县/市：</td> <td> <select name="selectc"> <option value="0" selected>选择城市</option> </select> </td> </tr> </table> </form> <script language="javascript"> first("selectp","selectc","form1",0,0); </script> </body> </html>
希望本文所述对大家的javascript程序设计有所帮助。