Deck of Cards

deckOfCards.js

var suites = ['\u2660', '\u2665', '\u2666', '\u2663'];
var numbers =  ['2','3','4','5','6','7','8','9','10','J','Q','K','A'];

var buildDeck = function(){
  var deck = [];
  for (suite in suites)
    for (number in numbers)
      deck.push(numbers[number] + suites[suite]);
  return deck;
}

var shuffle = function(deck){
  var i = deck.length, j, temp;
    if ( i == 0 ) return;
    while ( --i ) {
        j = Math.floor( Math.random() * ( i + 1 ) );
        temp = deck[i];
        deck[i] = deck[j];
        deck[j] = temp;
    }
  return deck;
}

console.log(shuffle(buildDeck()));