while (player.sum() <= 16 && player.playerHand.length < 5) {
  let TakeOneMoreCardPlayer = CardDeck.TakeCard();
  player.GiveCard(TakeOneMoreCardPlayer);
}

while (dealer.sum() && dealer.dealerHand.length < 5) {
  let TakeOneMoreCardDealer = CardDeck.TakeCard();
  dealer.GiveCard(TakeOneMoreCardDealer);
}