我现在js中调用下面的接口url（http://apis.juhe.cn/ip/ip2addr?ip=218.26.21.1&dtype=&key=54d7b1689c44658a9b83a09250024450） 然后获取返回值（{"resultcode":"200","reason":"Return Successd!","result":{"area":"山西省运城市","location":"联通"},"error_code":0}）
请问js中怎么写？
我的js如下：
<script type="text/javascript" src="http://www.coding123.net/getip.ashx?js=1"></script>
<script>
function getnetip() {
var ipaddress = ip;
ipaddress = ipaddress.substring(1);
var getipurl = "http://apis.juhe.cn/ip/ip2addr?ip=218.26.21.100&dtype=&key=54d7b1689c44658a9b83a09250024450";
getipurl.replace("218.26.21.100", ipaddress);
alert(getipurl);
}
</script>
