摘要：
<!DOCTYPE html><html><head lang="en"> <meta charset="UTF-8"> <title></title> <style> *{ margin: 0; padding: 0; } .left{ width: 300px; border: 1px soli 阅读全文
摘要：
<body> <select id="province"></select> <select id="city"></select> <script type="text/javascript"> (function(){ var provinceAry = ["四川","广东","湖南"]; va 阅读全文