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I have been trying to call a a logout service from whitin onunload or onbeforeunload window events.

This is because I needed to logout upon closure of window or a tab. I set $window.onbeforeunload within the run() block.

$window.onbeforeunload worked fine when I wanted to show a warning to the user upon closure of tab or window. But, when I tried to call a logout function from within the onbeforeunload event, the function was not called.

I tried calling the $http from within run() block or calling it from a data service, but the result was the same.

How can I solve this?

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  • seems that the problem is that angularJS $http service is always asynchronous, while in onbeforeunload a synchronous call is required. This means that I needed to use a synchronous call written in javascript. Something like: ' var xhr = new XMLHttpRequest(); xhr.open("POST", "services/logout", false); // synchronous request xhr.send(null);' This I found from: http://stackoverflow.com/questions/21689233/how-to-send-an-http-request-onbefor‌​eunload-in-angularjs Commented May 21, 2015 at 9:29
  • Additional information about synchronous calls in javascript: here Commented May 21, 2015 at 9:37
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