Native js secondary linkage
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<script> var arr = new Array();<br>arr[0 ]="Dongcheng, Xicheng, Chongwen, Xuanwu, Chaoyang, Fengtai, Shijingshan, Haidian, Mentougou, Fangshan, Tongzhou, Shunyi, Changping, Daxing, Pinggu, Huairou, Miyun, Yanqing" arr[1 ]="Huangpu, Luwan, Xuhui, Changning, Jing'an, Putuo, Zhabei, Hongkou, Yangpu, Minhang, Baoshan, Jiading, Pudong, Jinshan, Songjiang, Qingpu, Nanhui, Fengxian, Chongming" arr[2]="Heping, Dongli, Hedong, West Qing, Hexi, Jinnan, Nankai, Beichen, Hebei, Wuqing, Hongjie, Tanggu, Hangu, Dagang, Ninghe, Jinghai, Baodi, Jixian" arr[3]="Wanzhou, Fuling, Yuzhong, Dadukou, Jiangbei, Shapingba, Jiulongpo, Nan'an, Beibei, Wansheng, Shuangjiao, Yubei, Banan, Qianjiang, Changshou, Qijiang, Tongnan, Tongliang, Dazu, Rongchang, Bishan, Liangping, Chengkou, Fengdu, Dianjiang ,Wulong, Zhongxian, Kaixian, Yunyang, Fengjie, Wushan, Wuxi, Shizhu, Xiushan, Youyang, Pengshui, Jiangjin, Hechuan, Yongchuan, Nanchuan" arr[4]="Shijiazhuang, Handan, Xingtai, Baoding , Zhangjiakou, Chengde, Langfang, Tangshan, Qinhuangdao, Cangzhou, Hengshui" arr[5]="Taiyuan, Datong, Yangquan, Changzhi, Jincheng, Shuozhou, Luliang, Xinzhou, Jinzhong, Linfen, Yuncheng" arr[6]= "Hohhot, Baotou, Wuhai, Chifeng, Hulunbuir League, Alxa League, Zhelimu League, Xing'an League, Ulanqab League, Xilingol League, Bayannur League, Yikezhao League" arr[7]="Shenyang , Dalian, Anshan, Fushun, Benxi, Dandong, Jinzhou, Yingkou, Fuxin, Liaoyang, Panjin, Tieling, Chaoyang, Huludao" arr[8]="Changchun, Jilin, Siping, Liaoyuan, Tonghua, Baishan, Songyuan, Baicheng, Yanbian" arr[9]="Harbin, Qiqihar, Mudanjiang, Jiamusi, Daqing, Suihua, Hegang, Jixi, Heihe, Shuangyashan, Yichun, Qitaihe, Daxinganling" arr[10]="Nanjing, Zhenjiang, Suzhou, Nantong, Yangzhou, Yancheng, Xuzhou, Lianyungang, Changzhou, Wuxi, Suqian, Taizhou, Huai'an" arr[11]="Hangzhou, Ningbo, Wenzhou, Jiaxing, Huzhou, Shaoxing, Jinhua, Quzhou, Zhoushan, Taizhou, Lishui" arr[ 12 ]="Hefei, Wuhu, Bengbu, Ma'anshan, Huaibei, Tongling, Anqing, Huangshan, Chuzhou, Suzhou, Chizhou, Huainan, Chaohu, Fuyang, Lu'an, Xuancheng, Bozhou" arr[13]="Fuzhou, Xiamen, Putian, Sanming, Quanzhou, Zhangzhou, Nanping, Longyan, Ningde" arr[14]="Nanchang, Jingdezhen, Jiujiang, Yingtan, Pingxiang, Xinyu, Ganzhou, Ji'an, Yichun, Fuzhou, Shangrao" arr[15]=" Jinan, Qingdao, Zibo, Zaozhuang, Dongying, Yantai, Weifang, Jining, Tai'an, Weihai, Rizhao, Laiwu, Linyi, Dezhou, Liaocheng, Binzhou, Heze" arr[16]="Zhengzhou, Kaifeng, Luoyang, Pingdingshan, Anyang, Hebi, Xinxiang, Jiaozuo, Puyang, Xuchang, Luohe, Sanmenxia, Nanyang, Shangqiu, Xinyang, Zhoukou, Zhumadian, Jiyuan" arr[17]="Wuhan, Yichang, Jingzhou, Xiangfan, Huangshi, Jingmen, Huanggang, Shiyan, Enshi, Qianjiang, Tianmen, Xiantao, Suizhou, Xianning, Xiaogan, Ezhou" arr[18]="Changsha, Changde, Zhuzhou, Xiangtan, Hengyang, Yueyang, Shaoyang, Yiyang, Loudi, Huaihua, Chenzhou, Yongzhou, Xiangxi, Zhangjiajie" arr [19]="Guangzhou, Shenzhen, Zhuhai, Shantou, Dongguan, Zhongshan, Foshan, Shaoguan, Jiangmen, Zhanjiang, Maoming, Zhaoqing, Huizhou, Meizhou, Shanwei, Heyuan, Yangjiang, Qingyuan, Chaozhou, Jieyang, Yunfu" arr[20 ]="Nanning, Liuzhou, Guilin, Wuzhou, Beihai, Fangchenggang, Qinzhou, Guigang, Yulin, Nanning area, Liuzhou area, Hezhou, Baise, Hechi" arr[21]="Haikou, Sanya" arr[22]="Chengdu , Mianyang, Deyang, Zigong, Panzhihua, Guangyuan, Neijiang, Leshan, Nanchong, Yibin, Guang'an, Dachuan, Ya'an, Meishan, Garze, Liangshan, Luzhou" arr[23]="Guiyang, Liupanshui, Zunyi, Anshun, Tongren, Southwest Guizhou, Bijie, Southeast Guizhou, Southern Guizhou" arr[24]="Kunming, Dali, Qujing, Yuxi, Zhaotong, Chuxiong, Honghe, Wenshan, Simao, Xishuangbanna, Baoshan, Dehong, Lijiang, Nujiang, Diqing, Lin Cang" arr[25]="Lhasa, Shigatse, Shannan, Nyingchi, Qamdo, Ali, Nagqu" arr[26]="Xi'an, Baoji, Xianyang, Tongchuan, Weinan, Yan'an, Yulin, Hanzhong, Ankang, Shangluo" arr[ 27 ]="Lanzhou, Jiayuguan, Jinchang, Baiyin, Tianshui, Jiuquan, Zhangye, Wuwei, Dingxi, Longnan, Pingliang, Qingyang, Linxia, Gannan" arr[28 ]="Yinchuan, Shizuishan, Wuzhong, Guyuan" arr[29 ]="Xining, Haidong, Hainan, Haibei, Huangnan, Yushu, Goluo, Haixi" arr[30]="Urumqi, Shihezi, Karamay, Ili, Bayingol, Changji, Kizilsu Kirgiz, Bortala, Turpan, Hami, Kashgar, Hotan, Aksu" arr[31]="Hong Kong" arr[32]="Macau" arr[33]="Taipei, Kaohsiung, Taichung, Tainan, Pingtung, Nantou, Yunlin, Hsinchu, Changhua, Miaoli, Chiayi, Hualien, Taoyuan, Yilan, Keelung, Taitung, Kinmen, Matsu, Penghu" function init()<br>{ var city = document.getElementById("city"); var cityArr = arr[0].split(","); for(var i=0;i<cityArr.length;i++)<br/> {<br/> city[i]=new Option(cityArr[i],cityArr[ i]);<br/> }<br/>}function getCity()<br/>{ var pro = document.getElementById("province"); var city = document.getElementById("city"); var index = pro.selectedIndex; var cityArr = arr[index].split(","); <br/> <br/> city.length = 0; //Fill the values in the city array into the city drop-down box<br/> for( var i=0;i<cityArr.length;i++)<br/> {<br/> city[i]=new Option(cityArr[i],cityArr[i]);<br/> }<br/>}</script>
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