Code <! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd" > < html > < head > < meta http-equiv ="Content-Type" content ="text/html; charset=utf-8" /> < title > 城市联动 </ title > </ head > < body > test < select id ="province" ></ select > < select id ="city" ></ select > < script type ="text/javascript" > // 选择控件的名称 var selector = [ " province " , " city " ]; // 初始值输入框的名称,可以用两个隐含输入框代替 var initInput = [ " province_init " , " city_init " ]; // ["请选择","请选择"], // 地方名称 var memu = [ [ " 上海 " , " 上海 " ], [ " 北京 " , " 北京 " ], [ " 天津 " , " 天津 " ], [ " 重庆 " , " 重庆 "