<html><head>
<meta charset="utf-8">
<title>test</title>
<!-- <script type="text/javascript" src="http://img.kuaixun360.com/Public/Home/js/jquery-1.11.3.min.js?v=2.1.12.68"> </script>-->
</head>
<body>
<div>
<input type="button" value="Req" onclick="testXMLHttpRequest();"/>
</div>
</body>
<script>
function testXMLHttpRequest() {
function createCORSRequest(method, url) {
var xhr = new XMLHttpRequest();
// alert(xhr.readyState)
if ("withCredentials" in xhr) {
xhr.open(method, url, true)
} else if (typeof XDomainRequest != "undefined") {
var xhr = new XDomainRequest();
xhr.open(method, url)
} else {
xhr = null;
}
return xhr;
}
var request = createCORSRequest("get", "http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js");
if (request) {
request.onload = function () {
alert(request.readyState);
alert(request.getAllResponseHeaders());
console.log(request)
}
request.onerror = function () {
alert("error")
}
//alert(request.getAllResponseHeaders());
request.send();
}
}
</script>
</html>