Tic Tac Toe Game in HTML, CSS and Java Script

index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="styles.css">
    <title>Tic-Tac-Toe</title>
</head>
<body>
    <div class="container">
        <h1>Tic-Tac-Toe</h1>
        <div id="game-board" class="board">
            <div class="cell" data-cell-index="0"></div>
            <div class="cell" data-cell-index="1"></div>
            <div class="cell" data-cell-index="2"></div>
            <div class="cell" data-cell-index="3"></div>
            <div class="cell" data-cell-index="4"></div>
            <div class="cell" data-cell-index="5"></div>
            <div class="cell" data-cell-index="6"></div>
            <div class="cell" data-cell-index="7"></div>
            <div class="cell" data-cell-index="8"></div>
        </div>
        <button id="restart">Restart Game</button>
        <div id="status" class="status"></div>
    </div>
    <script src="script.js"></script>
</body>
</html>

style.css

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f0f0f0;
    margin: 0;
}
 
.container {
    text-align: center;
}
 
.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-gap: 5px;
    margin: 20px 0;
}
 
.cell {
    width: 100px;
    height: 100px;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 36px;
    cursor: pointer;
    border: 2px solid #333;
}
 
.cell:hover {
    background-color: #e0e0e0;
}
 
.status {
    margin-top: 20px;
    font-size: 18px;
}
 
button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}

script.js

const cells = document.querySelectorAll('.cell');
const statusDisplay = document.getElementById('status');
const restartButton = document.getElementById('restart');
 
let currentPlayer = 'X';
let gameActive = true;
let gameState = ['', '', '', '', '', '', '', '', ''];
 
const winningConditions = [
    [0, 1, 2],
    [3, 4, 5],
    [6, 7, 8],
    [0, 3, 6],
    [1, 4, 7],
    [2, 5, 8],
    [0, 4, 8],
    [2, 4, 6],
];
 
const handleCellClick = (event) => {
    const clickedCell = event.target;
    const clickedCellIndex = parseInt(clickedCell.getAttribute('data-cell-index'));
 
    if (gameState[clickedCellIndex] !== '' || !gameActive) {
        return;
    }
 
    gameState[clickedCellIndex] = currentPlayer;
    clickedCell.textContent = currentPlayer;
    checkResult();
};
 
const checkResult = () => {
    let roundWon = false;
 
    for (let i = 0; i < winningConditions.length; i++) {
        const [a, b, c] = winningConditions[i];
        if (gameState[a] === '' || gameState[b] === '' || gameState[c] === '') {
            continue;
        }
        if (gameState[a] === gameState[b] && gameState[a] === gameState[c]) {
            roundWon = true;
            break;
        }
    }
 
    if (roundWon) {
        statusDisplay.textContent = `Player ${currentPlayer} has won!`;
        gameActive = false;
        return;
    }
 
    if (!gameState.includes('')) {
        statusDisplay.textContent = 'Game ended in a draw!';
        gameActive = false;
        return;
    }
 
    currentPlayer = currentPlayer === 'X' ? 'O' : 'X';
    statusDisplay.textContent = `It's ${currentPlayer}'s turn`;
};
 
const restartGame = () => {
    gameActive = true;
    currentPlayer = 'X';
    gameState = ['', '', '', '', '', '', '', '', ''];
    statusDisplay.textContent = `It's ${currentPlayer}'s turn`;
 
    cells.forEach(cell => {
        cell.textContent = '';
    });
};
 
cells.forEach(cell => cell.addEventListener('click', handleCellClick));
restartButton.addEventListener('click', restartGame);
statusDisplay.textContent = `It's ${currentPlayer}'s turn`;