The best use of provincial and municipal two-level linkage native JS implementation you deserve to have _javascript skills

Copy Code code as follows:

<script language=javascript>

Cities = new Object ();

cities[' Taiwan ']=new Array (' Taipei ', ' Tainan ', ' other ');

cities[' Malaysia ']=new Array (' Malaysia ');

cities[' Beijing ']=new Array (' Beijing ');

cities[' Shanghai ']=new Array (' Shanghai ');

cities[' Tianjin ']=new Array (' Tianjin ');

cities[' Chongqing ']=new Array (' Chongqing ');

Cities[' Hebei Province ']=new Array (' Shijiazhuang ', ' Zhangjiakou ', ' Chengde ', ' Qinhuangdao ', ' Tangshan ', ' Langfang ', ' Baoding ', ' Cangzhou ', ' Hengshui ', ' Xingtai ', ' Handan ');

cities[' Shanxi Province ']=new Array (' Taiyuan ', ' Datong ', ' Shuozhou ', ' Yangquan ', ' Changzhi ', ' Jincheng ', ' Xinzhou ', ' Luliang ', ' jinzhong ', ' Linfen ', ' Yuncheng ');

cities[' Liaoning Province ']=new Array (' Shenyang ', ' Chaoyang ', ' fuxin ', ' Tieling ', ' Fushun ', ' Benxi ', ' Liaoyang ', ' Anshan ', ' Dandong ', ' Dalian ', ' Yingkou ', ' Panjin ', ' Jinzhou ', ' Huludao ';

cities[' Jilin Province ']=new Array (' Changchun ', ' Baicheng ', ' Songyuan ', ' Jilin ', ' siping ', ' Liaoyuan ', ' Tonghua ', ' Bss ', ' Yanbian ');

cities[' Heilongjiang Province ']=new Array (' Harbin ', ' Qiqihar ', ' Heihe ', ' daqing ', ' Yichun ', ' Hegang ', ' Jiamusi ', ' Shuangyashan ', ' Qitaihe ', ' Jixi ', ' Mudanjiang ', ' Suihua ', ' da Xing ');

cities[' Jiangsu Province ']=new Array (' Nanjing ', ' Xuzhou ', ' Lianyungang ', ' Suqian ', ' huaiyin ', ' Yancheng ', ' Yangzhou ', ' Taizhou ', ' Nantong ', ' Zhenjiang ', ' Changzhou ', ' Wuxi ', ' Suzhou ';

cities[' Zhejiang Province ']=new Array (' Hangzhou ', ' Huzhou ', ' jiaxing ', ' Zhoushan ', ' Ningbo ', ' Shaoxing ', ' Jinhua ', ' Taizhou ', ' Wenzhou ', ' Lishui ');

cities[' Anhui Province ']=new Array (' Hefei ', ' Suzhou ', ' Huaibei ', ' Fuyang ', ' Bengbu ', ' Huainan ', ' Chuzhou ', ' Maanshan ', ' Wuhu ', ' tongling ', ' anqing ', ' Huangshan ', ' Liu'an ', ' Chaohu ', ' Chizhou ', ' Xuancheng ');

cities[' Fujian Province ']=new Array (' Fuzhou ', ' nanping ', ' sanming ', ' Putian ', ' Quanzhou ', ' Xiamen ', ' Zhangzhou ', ' Longyan ', ' Ningde ');

cities[' Jiangxi Province ']=new Array (' Nanchang ', ' Jiujiang ', ' jingdezhen ', ' Yingtan ', ' Xinyu ', ' Pingxiang ', ' Ganzhou ', ' Shangrao ', ' Fuzhou ', ' Yichun ', ' Ji ');

cities[' Shandong Province ']=new Array (' Jinan ', ' Liaocheng ', ' Dezhou ', ' dongying ', ' Zibo ', ' Weifang ', ' Yantai ', ' Weihai ', ' Qingdao ', ' Rizhao ', ' Linyi ', ' Zaozhuang ', ' jining ', ' Taian ', ' Laiwu ', ' Binzhou ', ' Ze ');

cities[' Henan Province ']=new Array (' Zhengzhou ', ' sanmenxia ', ' Luoyang ', ' Jiaozuo ', ' Xinxiang ', ' Hebi ', ' Anyang ', ' Puyang ', ' Kaifeng ', ' Shangqiu ', ' Xuchang ', ' Luohe ', ' Mesa ', ' Nanyang ', ' Xinyang ', ' Zhoukou ', ' Zhumadian ');

cities[' Hubei Province ']=new Array (' Wuhan ', ' Shiyan ', ' Xiang-climbing ', ' Jingmen ', ' Xiaogan ', ' Huanggang ', ' Ezhou ', ' Huangshi ', ' xianning ', ' Jingzhou ', ' Yichang ', ' Enshi ', ' Xiangfan ');

cities[' Hunan Province ']=new Array (' Changsha ', ' Zhangjiajie ', ' Changde ', ' Yiyang ', ' Yueyang ', ' Zhuzhou ', ' Xiangtan ', ' Hengyang ', ' Chenzhou ', ' Yongzhou ', ' Shaoyang ', ' Huaihua ', ' Loudi ', ' Xiangxi ';

cities[' Guangdong Province ']=new Array (' Guangzhou ', ' Qingyuan ', ' Shaoguan ', ' Heyuan ', ' Meizhou ', ' Chaozhou ', ' Shantou ', ' Jieyang ', ' Shanwei ', ' Huizhou ', ' Dongguan ', ' Shenzhen ', ' Zhuhai ', ' jiangmen ', ' Foshan ', ' zhaoqing ', ' cloud Floating ', ' Yangjiang ', ' maoming ', ' Zhanjiang ';

cities[' Hainan Province ']=new Array (' Haikou ', ' Sanya ');

cities[' Sichuan Province ']=new Array (' Chengdu ', ' Guangyuan ', ' Mianyang ', ' Deyang ', ' nanchong ', ' Guang ', ' Suining ', ' Neijiang ', ' Leshan ', ' Zigong ', ' Luzhou ', ' yibin ', ' Panzhihua ', ' Bazhong ', ' da Chuan ', ' Ziyang ', ' Meishan ', ' Yaan ', ' Aba ', ' Ganzi ', ' Liangshan ');

cities[' Guizhou Province ']=new Array (' Guiyang ', ' Liupanshui ', ' Zunyi ', ' Bijie ', ' Tongren ', ' Anshun ', ' Qiandongnan ', ' Qiannan ', ' siliceous cathodoluminescence ');

cities[' Yunnan Province ']=new Array (' Kunming ', ' Qujing ', ' yuxi ', ' Lijiang ', ' zhaotong ', ' Simao ', ' Lincang ', ' Baoshan ', ' dehong ', ' Nu River ', ' di Qing ', ' Dali ', ' Chuxiong ', ' Honghe ', ' Wenshan ', ' Xishuangbanna ';

cities[' Shaanxi Province ']=new Array (' Xian ', ' Yanan ', ' Tongchuan ', ' Weinan ', ' Xianyang ', ' Baoji ', ' Hanzhong ', ' Yulin ', ' Shangluo ', ' Ankang ');

cities[' Gansu Province ']=new Array (' Lanzhou ', ' Jiayuguan ', ' Jinchang ', ' Silver ', ' Tianshui ', ' Jiuquan ', ' Zhangye ', ' Wuwei ', ' Qingyang ', ' Pingliang ', ' Dingxi ', ' Longnan ', ' Linxia ', ' Gannan ');

cities[' Qinghai Province ']=new Array (' Xining ', ' Haidong ', ' xining ', ' sea North ', ' Hainan ', ' Huangnan ', ' Goa ', ' Yushu ', ' Hercynian ');

cities[' Inner Mongolia ']=new Array (' Hohhot ', ' Baotou ', ' Wuhai ', ' Chifeng ', ' Hulun Buir League ', ' Hinggan League ', ' Jirem Meng ', ' Xilin gol ', ' Wulanchabu ', ' Ordos ', ' Bayannur Meng ', ' Alxa League ');

cities[' Guangxi ']=new Array (' Nanning ', ' Guilin ', ' Liuzhou ', ' Wuzhou ', ' Guigang ', ' Yulin ', ' Qinzhou ', ' Beihai ', ' Fangchenggang ', ' nanning ', ' baise ', ' Hechi ', ' Liuzhou ', ' Hezhou ');

cities[' Tibet ']=new Array (' Lhasa ', ' qu ', ' qamdo ', ' Linzhi ', ' Shannan ', ' Shigatse ', ' Ali ');

cities[' Ningxia ']=new Array (' Yinchuan ', ' Shizuishan ', ' wuzhong ', ' Guyuan ');

cities[' Xinjiang ']=new Array (' Urumqi ', ' Karamay ', ' Kashgar ', ' Aksu ', ' Hotan ', ' Turpan ', ' Hami ', ' Bortala ', ' Changji ', ' Bayin Guo Len ', ' ili ', ' Tacheng ', ' Altay ');

cities[' Hong Kong ']=new Array (' Hong Kong ');

cities[' Macau ']=new Array (' Macau ');

function Set_city (province, city)

{

var PV, CV;

var i, II;

Pv=province.value;

Cv=city.value;

city.length=1;

if (pv== ' 0 ') return;

if (typeof (CITIES[PV]) = = ' undefined ') return;

for (i=0; i<cities[pv].length; i++)

{

II = i+1;

CITY.OPTIONS[II] = new Option ();

City.options[ii].text = Cities[pv][i];

City.options[ii].value = Cities[pv][i];

}

}

</script>

<select name= "Sheng" id= to_cn "onchange=" set_city (This, document.getElementById (' city ')); Wyl (); "Class=login_text_input >

<option value=0> Please select </option>

<option value= Taiwan > Taiwan </option>

<option value= Malaysia > Malaysia </option>

<option value= Beijing > Beijing </option>

<option value= Shanghai > Shanghai </option>

<option value= Tianjin > Tianjin </option>

<option value= Chongqing > Chongqing </option>

<option value= Hebei province > Hebei province </option>

<option value= Shanxi > Shanxi Province </option>

<option value= Liaoning Province > Liaoning Province </option>

<option value= Jilin Province > Jilin Province </option>

<option value= Heilongjiang > Heilongjiang Province </option>

<option value= Jiangsu Province > Jiangsu Province </option>

<option value= zhejiang > Zhejiang province </option>

<option value= Anhui Province > Anhui Province </option>

<option value= Fujian > Fujian Province </option>

<option value= Jiangxi Province > Jiangxi Province </option>

<option value= Shandong province > Shandong Province </option>

<option value= Henan province > Henan Province </option>

<option value= Hubei Province > Hubei Province </option>

<option value= Hunan > Hunan Province </option>

<option value= Guangdong > Guangdong Province </option>

<option value= Hainan Province > Hainan Province </option>

<option value= Sichuan Province > Sichuan Province </option>

<option value= Guizhou Province > Guizhou Province </option>

<option value= Yunnan Province > Yunnan Province </option>

<option value= Shaanxi Province > Shaanxi Province </option>

<option value= Gansu Province > Gansu Province </option>

<option value= Qinghai > Qinghai Province </option>

<option value= Inner Mongolia > Inner Mongolia </option>

<option value= Guangxi > Guangxi </option>

<option value= Tibet > Tibet </option>

<option value= Ningxia > Ningxia </option>

<option value= Xinjiang > Xinjiang </option>

<option value= Hong Kong > Hong Kong </option>

<option value= Macau > Macau </option>
</SELECT>-City
<select id= "City" Class=login_text_input name= "Shi" >

<option value=0> Please select </option>

</select>