IE FB.login callback not running and XD proxy window left open

Question

I am having problems getting Facebook login to work correctly in IE. The problem is intermittent. Usually, when it makes the call to FB.login, the popup appears but stays on an

Answer 1

Try this right after FB.init:

if($.browser.msie || $.browser.opera) { // yes, this is jQuery :)
  FB.XD._transport = 'fragment';
  FB.XD.Fragment._channelUrl = yourChannelUrl;
}