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POXDomainRequest (CORS) for XML causing "Access is denied" error in IE8 / IE9
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2013-12-17T01:46:44.287
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Body
Apologies if this appears to be a duplicate but I cannot see a clear answer to any of the similar questions. When trying to do a CORS request for some XML I continually get an "Access is denied" JS error from IE8. My code is adapted from this example: <pre><code>// Create the XHR object. function createCORSRequest(method, url) { var xhr = new XMLHttpRequest(); if ("withCredentials" in xhr) { // XHR for Chrome/Firefox/Opera/Safari. xhr.open(method, url, true); } else if (typeof XDomainRequest != "undefined") { // XDomainRequest for IE. xhr = new XDomainRequest(); xhr.open(method, url); } else { // CORS not supported. xhr = null; } return xhr; } // Helper method to parse the title tag from the response. function getTitle(text) { return text.match('<title>(.*)?</title>')[1]; } // Make the actual CORS request. function makeCorsRequest() { // All HTML5 Rocks properties support CORS. var url = 'http://updates.html5rocks.com'; var xhr = createCORSRequest('GET', url); if (!xhr) { alert('CORS not supported'); return; } // Response handlers. xhr.onload = function() { var text = xhr.responseText; var title = getTitle(text); alert('Response from CORS request to ' + url + ': ' + title); }; xhr.onerror = function() { alert('Woops, there was an error making the request.'); }; xhr.send(); } </code></pre> from <a href="http://www.html5rocks.com/en/tutorials/cors/">http://www.html5rocks.com/en/tutorials/cors/</a> This should work in IE8 using XDomainRequest, and when I load the example page and click "Run sample" on the html5rocks page, it works in IE8. However, as soon as I copy the code to my own page and run, I get the "Access is denied" error on the xhr.open() line inside XDomainRequest. This one has me really baffled - the server is definitely set up correctly so it's something to do with the frontend. Thanks in advance to anyone who can help!
Tags
<javascript><ajax><internet-explorer-8><xmlhttprequest><cross-domain>
Title
XDomainRequest (CORS) for XML causing "Access is denied" error in IE8 / IE9
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1. PO
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