DeckOfCards.js

class Deck {
  var ranks = ["A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"];
  var suits = ["♠","♥", "♦", "♣"];

  function createDeck() {
    var deck = []
    suits.map(function(suit) {
      ranks.map(function(rank,i) {
        deck.push(suit + rank)
      })
    })
    return deck
  }

  var fullDeck = createDeck()
  var shuffledDeck = fullDeck

  function shuffleCards(deck) {
    shuffDeck = []
    temp = []
    function random(){
      return Math.floor(Math.random() * 52)
     }
    deck.map(function(card) {
      var p = random();
      if (temp.indexOf(p) < 0) {
        shuffDeck.push(deck[p])
        temp.push(p)
      } else {
        while(temp.indexOf(p) > -1) {
          p = random()
          if(temp.indexOf(p) < 0) {
            shuffDeck.push(deck[p])
            break;
          } 
        }
      }
    })
    return shuffDeck
  }

  function dealCards(number, faceDown, position){
    var dealtCards = []
    var selectedCards = shuffledDeck.splice(0,number)
    if (number > shuffledDeck.length) {
      var notEnoughCards = shuffledDeck.splice(0,number)
      notEnoughCards.map((card) => {
        dealtCards.push({card: card, faceDown: faceDown, position: position})
      })
      dealtCards.push({card: "No More Cards"})
    } else {
    selectedCards.map((card) => {
    dealtCards.push({card: card, faceDown: faceDown, position: position})
    })
    }
    return dealtCards
  }

  function cutDeck(position) {
    var deckCut = []
    var deckCut = shuffledDeck.splice(position, 51)
    deckCut.push(...shuffledDeck)
    shuffledDeck = deckCut
  }
}

/*
document.createElement('body');
var shuffle = document.createElement('button');
document.body.appendChild(shuffle);
shuffle.onclick = function() {
  shuffledDeck = shuffleCards(fullDeck); 
}
shuffle.textContent = "shuffle deck"
var pickCard = document.createElement('button');
document.body.appendChild(pickCard);
pickCard.textContent = "draw card";
pickCard.onclick = function() {
  dealCards(5, true, 3)
}
var deckCutter = document.createElement('button');
document.body.appendChild(deckCutter);
deckCutter.textContent = "cut deck";
deckCutter.onclick = function() {
 cutDeck(22)
}*/