Leaving Facebook with onbeforeunload functionality

Within my AngularJS application, I am utilizing the Facebook SDK. When I trigger FB.logout() upon clicking the logout button, it functions correctly:

  $scope.logout = function() { 
    FB.logout() 
  }

However, I also aim to log out from Facebook when the window is closed. For this, I have implemented the following code:

  $window.onbeforeunload = function() {
    FB.logout()
   }

The above code appears to be consistent with the previous implementation. Surprisingly, the second approach does not yield the expected results.

I am seeking insights on why this discrepancy exists and how I can rectify it. Any assistance would be greatly appreciated. Thank you!

javascriptangularjsfacebook-javascript-sdk

Answer №1

In order to successfully return null from the onbeforeunload function, it is important to follow the guidance provided here.

By implementing the code snippet below, you can achieve the desired outcome:

$window.onbeforeunload = function() {
   FB.logout()
   return null;
}

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