Я сделал свой блэкджек!

[xe-xe-my-strange-life]

код

function Deck()
{
    var fullDeck = [];
    var index;
    for(index = 0; index < 52; index++)  //Create the deck.
        fullDeck[index] = index;
    this.giveCard = function()
    {//whichCard = position in array of card to deal, 0-51.
        var whichCard = Math.floor(Math.random()*fullDeck.length);
        var dealThis;   //The actual card to be dealt.        
        dealThis = fullDeck[whichCard];  //Pick a card.
        fullDeck.splice(whichCard,1);   //Take it out of the deck.
        return dealThis;
    }
}
function Card(suit,number)
{
    var suit = suit;
    var number = number;
    this.getSuit = function()
        {return suit;};
    this.getNumber = function()
        {return number;};
    this.getValue = function()
    {
        if(number > 10)      //Face card.
            return 10;
        if(number == 1)     //Ace.
            return 11;
        if((number > 1) && (number <= 10))
            return number;
    }
}
function Hand()
{
    var privateHand = [];
    var currentCard;
    var currentScore = 0;
    privateHand[0] = deal();
    privateHand[1] = deal();
    this.getHand = function()
    {return privateHand;}
    this.score = function()
    {
    var isAce;
    currentScore = 0;
    for(currentCard = 0; currentCard < privateHand.length; currentCard++)
        {
        isAce = false;
        if(privateHand[currentCard].getValue() == 11) //It's an Ace.
            isAce = true;
        if((isAce) && (currentScore + privateHand[currentCard].getValue() > 21))
            currentScore += 1;  //Have an Ace and its 11 points would cause a bust.
        else
            currentScore += privateHand[currentCard].getValue();
        }
    return currentScore;    
    }
    this.printHand = function()
    {
        var handName = " ";
        var currentCard;
        var number;
        var suit;       
        for(currentCard = 0; currentCard < privateHand.length; currentCard++)
            {
            number = privateHand[currentCard].getNumber();
            suit = privateHand[currentCard].getSuit();
            switch(number)
                {
                case 1: handName += "Ace"; break;
                case 11: handName += "Jack"; break;
                case 12: handName += "Queen"; break;
                case 13: handName += "King"; break;
                default: handName += number; break;
                }
            handName += " of ";
            switch(suit)
                {
                case 1: handName += "clubs"; break;
                case 2: handName += "diamonds"; break;
                case 3: handName += "hearts"; break;
                case 4: handName += "spades"; break;
                default: ; break;
                }
            if(currentCard != privateHand.length - 1)
                handName += ", ";
            }
        return handName;    
    }
    this.hitMe = function()
    {
        hitCard = deal();
        privateHand.push(hitCard);
    }
}
var deal = function()
{
   var thisDeck = new Deck;    
    var thisNumber = thisDeck.giveCard();
    var thisSuit = findSuit(thisNumber);  //Need raw number (0-51) to determine suit.
    var thisCard = new Card(thisSuit,thisNumber % 13 + 1);
    return thisCard;
};
var findSuit = function(thisNumber)
{
    if((thisNumber >= 0) && (thisNumber <= 12))
        return 1;
    if((thisNumber >= 13) && (thisNumber <= 25))      
        return 2;
    if((thisNumber >= 26) && (thisNumber <= 38))      
        return 3;
    if((thisNumber >= 39) && (thisNumber <= 51))      
        return 4;       
}
var playAsDealer = function()
{
    var dealerHand = new Hand();
    while(dealerHand.score() < 17)
        dealerHand.hitMe();
    return dealerHand;
};
var playAsUser = function()
{
    var myHand = new Hand;
    var hit;
    do
    {   
        hit = confirm("Your hand is " +myHand.printHand() +" do you want to hit?");
        if(hit)
            if(myHand.score() <= 21)
                myHand.hitMe();
            else
                {
                alert("You busted!  Cannot hit!");
                hit = false;
                }
    }
    while(hit);
    return myHand;      
}
var declareWinner = function(userHand,dealerHand)
{
    var dScore = dealerHand.score();
    var pScore = userHand.score();
    if(pScore > 21)
        if(dScore > 21)
            return "Both bust!  Tie!";
        else
            return "Player bust!  You lose!";
    else
        if(dScore > 21)
            return "Dealer bust!  You win!";
        else
            if(dScore > pScore)
                return "You lose!";
            else
                if(dScore < pScore)
                    return "You win!";
                else
                    return "It's a tie!";
}
var playGame = function()
{
var dealerHand = playAsDealer();
var playerHand = playAsUser();
console.log("You have: " +playerHand.score() +" dealer has " +dealerHand.score());
console.log(declareWinner(playerHand,dealerHand));
}

playGame();

Осталось поэтесс привести!