Async return value

asyncExample

function getPermissions(){

  var permissions = $.Deferred();

  FB.api(
      "/{{ app.user.facebookID }}/permissions",
      {
          access_token: '{{ app.user.facebookAccessToken }}'
      },
      function (response) {
          if (response && !response.error) {
              permissions.resolve( response );
          }
      }
  );
  return permissions.promise();
}

$('a#fb_share_dino').on('click', function(e){

  $.when( getPermissions() ).then(
      function( status ) {
          console.log(status);
      }
  );
  e.preventDefault();
}