I am making a simple AJAX call to an external site. It works ok in IE, but in Firefox, not response text is returned.
I think it might have something to do with the response being “chunked”, but I’m not sure.
Any ideas? Thanks.
<html>
<head>
<script type="text/javascript" charset="utf-8">
function loadXMLDoc() {
var xmlhttp;
var urlString = "http://drc.edeliver.com.au/ratecalc.asp?Pickup_Postcode=6025&Destination_Postcode=6055&Country=AU&Weight=100&Service_Type=STANDARD&Length=100&Width=100&Height=100&Quantity=2";
if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
} else {// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function() {
if (xmlhttp.readyState==4) {
window.alert(xmlhttp.responseText);
}
}
xmlhttp.open("GET", urlString, true);
xmlhttp.send();
}
</script>
</head>
<body>
<span onclick="loadXMLDoc()">Click Me</span>
</body>
</html>
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Answer
Is your page hosted at http://drc.edeliver.com.au also? If not, then you can’t make an XMLHttpRequest to that URL. It’s a violation of basic browser security which, for your IE tests, are probably suppressed by explicit browser configuration.
edit — I think IE lets the “local security zone” (or whatever they call it) get away with stuff that is not allowed for “Internet” zone pages.