js实现省市级联效果分享
程序员文章站
2023-02-23 23:09:35
本文实例为大家分享了js实现省市级联效果的具体代码，供大家参考，具体内容如下
<...
本文实例为大家分享了js实现省市级联效果的具体代码，供大家参考，具体内容如下
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<script type="text/javascript">
var shengarr =new array();
shengarr["广东"]=["广州","深圳","珠海","汕头","韶关"] ;
shengarr["湖南"]=["长沙","张家界","株洲","怀化","常德"] ;
shengarr["湖北"]=["武汉","荆州","宜昌","黄冈","仙桃"] ;
shengarr["安徽"]=["合肥","黄山"] ;
shengarr["河南"]=["郑州","信阳","洛阳"] ;
function getsheng(){
var s =document.getelementbyid("sheng");
for(var v in shengarr){
s.add(new option(v,v),null);
}
}
function getcity(){
var s =document.getelementbyid("sheng");
var c =document.getelementbyid("city");
var v=s.value;
c.options.length =0;
for(var i in shengarr[v]){
c.add(new option(shengarr[v][i],shengarr[v][i]),null);
}
}
</script>
<!--页面加载时获取 省名-->
<body onload="getsheng()">
<!-- 改变省时匹配该省的城市名-->
省：<select id="sheng" onchange="getcity()">
<option>--请选择</option>
</select>
市：<select id="city"></select>
</body>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。