[Dilettante_Pro]

<style>
.openmenu { border:1px solid green; }
.closemenu { border:1px solid red;}
</style>
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<div class="menu-o">div</div>
<script>
$('.menu-o').addClass('openmenu');

$('.menu-o').click(function() {
         var trans = $(this).hasClass('openmenu') ? 'translateY(0)' : 'translateY(-100vh)';
        $(this).toggleClass('openmenu closemenu');
         alert(trans); // TweenMax.to('.blackfonmenu' , 1, {transform: trans});

   
    });

</script>