var go = document.getElementById('go')
var reset = document.getElementById('reset')
var el = document.getElementById('el')
el.style.transition = 'transform .5s'
el.style.transform = 'translateY(100%)'

reset.onclick = function() {
  el.style.transform = 'translateY(100%)'
}

go.onclick = function () {
  requestAnimationFrame(function () {
    el.style.transform = 'translateY(0)'
  })
}