shuffle a deck of cards

shuffleCards

var deck = [];

function createDeck(cardQty){
	for(var i = 0; i < cardQty; i++){
		deck[i] = i + 1;
	}
}

function shuffle(deck){ 
  var deckShuffled = [];
  for (var i = 0; i < deck.length ; i++) {
  	function changeDecks(){
  		randomize();
  		if(deck[r] !== undefined ){
	  		deckShuffled[i] = deck[r]; console.log(i + " " + r);
	  		delete deck[r];
  		}
  		else{
  			changeDecks();
  		}
  	}
  	function randomize(){
  		r = Math.floor( Math.random() * deck.length );
  	}
  	randomize();
  	changeDecks();
  };
  return deckShuffled;
        
}

createDeck(10);
shuffle(deck);