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Yuhong Week4 Homework Solution #3

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11 changes: 9 additions & 2 deletions blackjack.html
Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,16 @@
<html>
<head>
<title>Blackjack</title>
</head>
<body>
<script src="createCardDeck.js"></script>
<script src="blackjack.js"></script>
</head>
<body>
<div id="divPlayer">
</div>
<script type="text/javascript">
window.onload = function () {
startGame();
}
</script>
</body>
</html>
57 changes: 49 additions & 8 deletions blackjack.js
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,20 @@ const blackjackDeck = getDeck();
* @constructor
* @param {string} name - The name of the player
*/
class CardPlayer {}; //TODO
class CardPlayer {
constructor(name){
this.name = name;
this.hand = [];
}
drawCard () {
const randomCard = deck[Math.floor(Math.random() * 52)];
this.hand.push(randomCard);
};
}; //TODO

// CREATE TWO NEW CardPlayers
const dealer; // TODO
const player; // TODO
const dealer = new CardPlayer("dealer"); // TODO
const player = new CardPlayer("player"); // TODO

/**
* Calculates the score of a Blackjack hand
Expand All @@ -20,7 +29,21 @@ const player; // TODO
*/
const calcPoints = (hand) => {
// CREATE FUNCTION HERE

let total = 0;
let isSoft = false;
hand.forEach(card => {
if (card.displayVal === 'Ace'){
if (total <= 10){
isSoft = true;
total += card.val;
} else {
total += 1;
}
} else {
total += card.val;
}
});
return {total: total, isSoft: isSoft};
}

/**
Expand All @@ -31,7 +54,14 @@ const calcPoints = (hand) => {
*/
const dealerShouldDraw = (dealerHand) => {
// CREATE FUNCTION HERE

let points = calcPoints(dealerHand);
if (points.totalPts <= 16) {
return true;
} else if (points.totalPts == 17 && points.isSoft == true) {
return true;
} else {
return false;
}
}

/**
Expand All @@ -42,7 +72,8 @@ const dealerShouldDraw = (dealerHand) => {
*/
const determineWinner = (playerScore, dealerScore) => {
// CREATE FUNCTION HERE

let winner = (playerScore > dealerScore) ? "player" : ((dealerScore > playerScore) ? "dealer" : "tie");
return `playerScore=${playerScore}, dealerScore=${dealerScore}, winner=${winner}`;
}

/**
Expand All @@ -60,7 +91,10 @@ const getMessage = (count, dealerCard) => {
*/
const showHand = (player) => {
const displayHand = player.hand.map((card) => card.displayVal);
console.log(`${player.name}'s hand is ${displayHand.join(', ')} (${calcPoints(player.hand).total})`);
let msg = `${player.name}'s hand is ${displayHand.join(', ')} (${calcPoints(player.hand).total})`;
console.log(msg);
if (msg.trim().length > 0 && document != null && document.body != null && document.body.innerHTML != null)
document.body.innerHTML += msg + "<br/>";
}

/**
Expand All @@ -73,6 +107,9 @@ const startGame = function() {
dealer.drawCard();

let playerScore = calcPoints(player.hand).total;
if (playerScore == 21) {
return "Player wins after drawing her first 2 cards";
}
showHand(player);
while (playerScore < 21 && confirm(getMessage(playerScore, dealer.hand[0]))) {
player.drawCard();
Expand All @@ -85,6 +122,9 @@ const startGame = function() {
console.log(`Player stands at ${playerScore}`);

let dealerScore = calcPoints(dealer.hand).total;
if (dealerScore == 21) {
return "Dealer wins after drawing her first 2 cards";
}
while (dealerScore < 21 && dealerShouldDraw(dealer.hand)) {
dealer.drawCard();
dealerScore = calcPoints(dealer.hand).total;
Expand All @@ -97,4 +137,5 @@ const startGame = function() {

return determineWinner(playerScore, dealerScore);
}
// console.log(startGame());
console.log(startGame());

10 changes: 8 additions & 2 deletions cardsWorthTen.js
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,13 @@ const cards = [
* @param {array} cards
* @return {string} displayVal
*/
const cardsWorthTen = cards => {};

const cardsWorthTen = cards => {
let cardsWorthTenStr = '';
cards.forEach(element => {
if (element.val === 10)
cardsWorthTenStr += element.displayVal + ", " ;
});
return cardsWorthTenStr;
};
console.log(cardsWorthTen(cards));
// should return/log "10, Jack, Queen, King"
34 changes: 33 additions & 1 deletion createCardDeck.js
Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,40 @@
* Returns an array of 52 Cards
* @returns {Array} deck - a deck of cards
*/
const suits = ['hearts', 'spades', 'clubs', 'diamonds'];
const getDeck = () => {

let deck = [];
for (let suit of suits){
for (let number = 1; number <= 13; number++){
let val = 0;
let displayVal = "";
switch(number){
case 1:
val = 11;
displayVal = "Ace";
break;
case 11:
val = 10;
displayVal = "jack";
break;
case 12:
val = 10;
displayVal = "queen";
break;
case 13:
val = 10;
displayVal = "king";
break;
default:
val = number;
displayVal = String(number);
break;
}

deck.push({val: val, displayVal: displayVal, suit: suit});
}
}
return deck;
}


Expand Down
16 changes: 15 additions & 1 deletion foodIsCooked.js
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,21 @@
*/
const foodIsCooked = function(kind, internalTemp, doneness) {
// Write function HERE

if (kind === 'chicken') {
return internalTemp >= 165;
} else if (kind === 'beef') {
if (doneness === 'rare') {
return internalTemp >= 125;
} else if (doneness === 'medium') {
return internalTemp >= 135;
} else if (doneness === 'well') {
return internalTemp >= 155;
} else {
return "Please provide doness for beef."
}
} else {
return "Please provide chicken or beef."
}
}


Expand Down
7 changes: 6 additions & 1 deletion logCardDeck.js
Original file line number Diff line number Diff line change
Expand Up @@ -58,4 +58,9 @@ const cards = [
*
* @param {array} deck A deck of cards
*/
const logCardDeck = deck => {};
const logCardDeck = deck => {
deck.forEach(element => {
console.log(`val=${element.val}, displayVal=${element.displayVal}, suit=${element.suit}`)
});
};
logCardDeck(cards)