bpopup onClose not firing with close

Question

Seem to be having an issue with the onClose event not firing when calling the close function manually.

Calling the popup

$('#messageBoxPopup').bPopup({
                    easing: 'easeOutBack',
                    speed: 450,
                    onClose: function () {
                        alert('clear');
                        $('#messageBoxContent').html('');
                    }
                });

Closing the popup

$('#messageBoxPopup').bPopup().close();

Answer 1

$('#messageBoxPopup').bPopup().close();

working fine for me please check for all js dependencies for bpopup