this.dealCard = function () {
this.dealedHand.push(shuffledDeck.shift())
let sum = 0
this.dealedHand.forEach(function (card) {
  if (card.value === 1 && sum <= 7) {
    card.value = 14
  } //Another condition clause to reverse that and let the ACE be 1 again...
  sum = sum + card.value
})
  this.dealedHandSum = sum
}

Johanna: A♠ K♣  27
Johanna got 27 and is busted!