ajax請求

var xmlhttp;

var data;

//Mozilla ,chmore瀏覽器(將XMLHttpRequest對象作為本地瀏覽器對象來創建)

if(window.XMLHttpRequest){ //Mozilla 瀏覽器

xmlhttp = new XMLHttpRequest();

}else if(window.ActiveXObject) { //IE瀏覽器

//IE瀏覽器(將XMLHttpRequest對象作為ActiveX對象來創建)

try{

xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

}catch(e){

try {

xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

}catch(e){}

}

}

var Url = "http://ip.taobao.com/service/getIpInfo.php?ip=220.181.134.224";

xmlhttp.open("GET", Url, true);

xmlhttp.onreadystatechange = result;

xmlhttp.send(data);

function result(){

if (xmlhttp.readyState == 4) {

var response = xmlhttp.responseText;

alert(response);

}

}

ajax 請求