XDR on Internet Explorer 11

Question

In my application, we use the XDR objects (XDomainRequest for IE8 to IE10 and EventSource for other browsers) to open a sticky connection to the server.

However, IE11 doesn't implement the XDomainRequest anymore.

What should I use for IE11? XMLHttpRequest 2?

score 3 · Accepted Answer · edited Mar 27 '20 at 17:41

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According to MSDN's Compatibility changes in IE11:

The XDomainRequest object is replaced by CORS for XMLHttpRequest.

edited Mar 27 '20 at 17:41

narduw

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answered Dec 11 '13 at 17:16

Olly Hodgson

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@RafaelMaiolla Additionally there's a few EventSource polyfills floating around, they might be worth a look? https://github.com/Modernizr/Modernizr/wiki/HTML5-Cross-browser-Polyfills#eventsource – Olly Hodgson Dec 11 '13 at 17:28
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This sample is a "GET" sample, what if you absolutely have to POST something? From what i can see so far, IE11 strips the BODY of the POST content so only the headers. – Conrad de Wet Jun 26 '14 at 12:32
@ConraddeWet Is it because you need a valid P3P Policy on your server? See http://stackoverflow.com/a/21682899/13019 – Olly Hodgson Jun 27 '14 at 08:00

XDR on Internet Explorer 11

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