- var sheng = ['请选择','河北','河南','北京'];
- var shi = [[],['廊坊','唐山','沧州','保定','张家口','石家庄','邢台','邯郸'],['郑州','商丘','信阳','周口','驻马店','濮阳','南阳','洛阳'],['平谷','昌平','密云','朝阳','怀柔','通州']];
- function createSheng(){
- var chose1 = document.getElementById('sheng');
- for(var i=0;i<sheng.length;i++){
- var op = new Option(sheng[i],sheng[i]);
- chose1.options.add(op);
- }
- }
- function createShi(){
- var index = document.getElementById('sheng').selectedIndex;
- var chose2 = document.getElementById('shi');
- chose2.length=0;
- for(var i=0;i<shi[index].length;i++){
- var op = new Option(shi[index][i],shi[index][i]);
- chose2.options.add(op);
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/040320148886.html
来源: http://www.codesnippet.cn/detail/040320148886.html