Card shuffle

var suits = ["Hearts", "Diamonds", "Spades", "Clovers"];
var faces = ["Ace", 2, 3, 4, 5, 6, 7, 8, 9, 10, "Jack", "Queen", "Kings", "Joker"]
var deck = [];
for(suit of suits){
  for(face of faces){
    deck.push(face + " of " + suit);
  }
}
function checkIfShuffled(deck) {
  count = 0;
  lastSuit = null;
  var thisCard = null;
  var thisSuit = null;
  for(var c = 0; c < deck.length; c++) {
    thisCard = deck[c];
    thisSuit = thisCard.split(" ")[2];
    if ((lastSuit !== null) && (lastSuit === thisSuit)) {
      count++;
    } else {
      count = 0;
    }
    lastSuit = thisSuit;
    if (count > 2) {
      return false;
    }
  }
  return true;
}
isShuffled = false;
while (isShuffled === false) {
  swapFrom = Math.floor(Math.random() * deck.length);
  swapTo = Math.floor(Math.random() * deck.length);
  toHolder = deck[swapTo];
  deck[swapTo] = deck[swapFrom];
  deck[swapFrom] = toHolder;
  isShuffled = checkIfShuffled(deck);
}
deck.sort()
console.log(deck)