is onReverseComplete supposed to be used as a callback
this.timeline.reverse(e => placeholder.remove() );
or a param?
this.timeline.to(inner, 0.5, {
background: '#dc0038',
height: '100%',
ease: Back.easeOut.config(1.7),
onReverseComplete: (e) => placeholder.remove()
}, 0.05);
Neither is working for me