let playYamahata = select('.item__yamahata'); playYamahata.addEventListener('click', function () { if(returned_yamahata.isActive()){ // tween is active so do something TweenMax.killChildTweensOf(returned_yamahata); } else { // tween is not active so do something TweenMax.killChildTweensOf(returned_yamahata); returned_yamahata.progress(0); } returned_yamahata.reversed() ? returned_yamahata.play():returned_yamahata.reverse(); returned_yamahata.eventCallback("onComplete", function () { returned_yamahata.restart(); });