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script.js
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script.js
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const gameBoard = (() => {
const gameContainer = document.querySelector('.boardContainer');
const rows = 3;
const columns = 3;
const board = [];
for (let i = 0; i < rows; i++) {
board[i] = [];
for (let j = 0; j < columns; j++){
board[i].push(Cell());
};
};
const getBoard = () => (board);
const displayBoard = () => {
//clear board
while (gameContainer.childElementCount > 0){ gameContainer.removeChild(gameContainer.lastChild)};
//displays board state
board.forEach((row, rowNum) => {
row.forEach((col, index) => {
const newCell = document.createElement('button');
newCell.dataset.row = rowNum;
newCell.dataset.col = index;
newCell.setAttribute('class', 'cell');
newCell.textContent = col.getValue();
newCell.addEventListener('click', gameController.playRound);
gameContainer.appendChild(newCell);
})
})
};
const resetBoard = () => {
board.forEach(row => {
row.forEach(cell => {
cell.resetCell();
});
});
displayBoard();
};
const addMarker = (row, col, player) => {
board[row][col].addToken(player.getToken());
};
return {
resetBoard,
getBoard,
displayBoard,
addMarker
};
})();
const Player = (token, name) => {
const getToken = () => token;
const getName = () => name;
return {
getToken,
getName
};
};
function Cell() {
let value = '';
const addToken = (player) => {
value = player;
};
const resetCell = () => {
value = '';
};
const getValue = () => value;
return {
resetCell,
addToken,
getValue
};
}
const gameController = (() => {
const player1 = Player('X','Player 1');
const player2 = Player('O', 'Computer');
const players = [player1, player2];
let activePlayer = players[0];
const getActivePlayer = () => activePlayer;
const playRound = (cellClicked) => {
const cell = cellClicked.target;
const row = cell.dataset.row;
const col = cell.dataset.col;
const board = gameBoard.getBoard();
//check if cell is occupied
if (board[row][col].getValue() !== ""){
console.log('Cell not valid');
return;
};
//add player token to array
gameBoard.addMarker(row, col, getActivePlayer());
//update board
gameBoard.displayBoard();
//check if win
CheckWin();
//change active player turn
getActivePlayer() === players[0] ? activePlayer = players[1] : activePlayer = players[0]
//win check
function CheckWin(){
const token = getActivePlayer().getToken();
let win = false;
let draw = true;
//row
if (board[row][0].getValue() == token &&
board[row][1].getValue() == token &&
board[row][2].getValue() == token) {
win = true;
}
//column
if (board[0][col].getValue() == token &&
board[1][col].getValue() == token &&
board[2][col].getValue() == token) {
win = true;
}
//diag
if (board[0][0].getValue() == token &&
board[1][1].getValue() == token &&
board[2][2].getValue() == token) {
win = true;
};
if (board[2][0].getValue() == token &&
board[1][1].getValue() == token &&
board[0][2].getValue() == token) {
win = true;
};
if (win === true){
alert(`${gameController.getActivePlayer().getName()} has won the game!`);
gameBoard.resetBoard();
};
//check draw
board.forEach(row => {
row.forEach((cell) => {
if (cell.getValue() === "") {
draw = false;
};
});
});
if (draw == true){
alert(`The game was a draw!`);
gameBoard.resetBoard();
};
};
};
return {
players,
playRound,
getActivePlayer,
activePlayer
};
})();
gameBoard.displayBoard();