function ajaxHandler() {
var xmlhttp;
try { // Opera 8.0+, Firefox, Safari
xmlhttp = new XMLHttpRequest();
} catch (e) { // Internet Explorer Browsers
try {
alert("paososdao");
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try{
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) { // Something went wrong
alert("Your browser broke!");
return false;
}
}
}
xmlhttp.onreadystatechange = useHttpResponse();
xmlhttp.open("GET","prova.php",true);
xmlhttp.send(null);
function useHttpResponse(){
if (xmlhttp.readyState < 4) // while waiting response from server
document.getElementById('test').innerHTML = "Loading...";
else if (xmlhttp.readyState === 4) {
if (xmlhttp.status == 200 && xmlhttp.status < 300)
document.getElementById('test').innerHTML = xmlhttp.responseText;
}
}
}
我使用XAMPP测试它,我总是得到readyState = 0
并没有从prova.php反应,但如果我打开Chrome上的开发者控制台我可以看到GET请求状态是200.问题是什么。
响应是什么样的?您可以使用Chrome开发工具访问它 – 2015-02-11 12:08:19