Hmmm ... det har jeg ikke hørt andre klage over - og det ser ikke umiddelbart ud til, andre skriver om det på nettet. Prøv at lave et HTML-dokument med denne kode og test i Opera:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "
http://www.w3.org/TR/html4/strict.dtd"><html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Test XMLHttpRequest</title>
<script type="text/javascript">
var sAX="MSXML2.XMLHTTP.6.0 MSXML2.XMLHTTP.3.0 Msxml2.XMLHTTP Microsoft.XMLHTTP";
(function(){var x=window.XMLHttpRequest;if(!x){var o=s=null,a=sAX.split(" ");for(var i=0,j=a.length;i<j;s=a[i],i++){try{if(o=new ActiveXObject(s))break}catch(e){}}}window.XMLHttpRequest=x?x:o?function(){return new ActiveXObject(s)}:null;o=null;sAX=undefined})();
var oHttp = null;
function testXMLHttpReq() {
oHttp = new XMLHttpRequest();
oHttp.open("post", "response.php", true);
oHttp.onreadystatechange = fnCallBack;
oHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
oHttp.send("context=testing");
}
function fnCallBack() {
alert(oHttp.readyState)
}
</script>
</head>
<body>
<div>
<button onclick="testXMLHttpReq();return false">Send request</button>
</div>
</body>
</html>
