// Set up the game board as an array
let board = ["-", "-", "-", "-", "-", "-", "-", "-", "-"];
// Define a function to print the game board
function printBoard() {
console.log(`${board[0]} | ${board[1]} | ${board[2]}`);
console.log(`${board[3]} | ${board[4]} | ${board[5]}`);
console.log(`${board[6]} | ${board[7]} | ${board[8]}`);
}
// Define a function to handle a player's turn
function takeTurn(player) {
console.log(`${player}'s turn.`);
let position = prompt("Choose a position from 1-9:");
position -= 1;
while (position < 0 || position > 8 || board[position] !== "-") {
position = prompt("Invalid input or position already taken. Choose a different position:");
position -= 1;
}
board[position] = player;
printBoard();
}
// Define a function to check if the game is over
function checkGameOver() {
// Check for a win
if ((board[0] === board[1] && board[1] === board[2] && board[0] !== "-") ||
(board[3] === board[4] && board[4] === board[5] && board[3] !== "-") ||
(board[6] === board[7] && board[7] === board[8] && board[6] !== "-") ||
(board[0] === board[3] && board[3] === board[6] && board[0] !== "-") ||
(board[1] === board[4] && board[4] === board[7] && board[1] !== "-") ||
(board[2] === board[5] && board[5] === board[8] && board[2] !== "-") ||
(board[0] === board[4] && board[4] === board[8] && board[0] !== "-") ||
(board[2] === board[4] && board[4] === board[6] && board[2] !== "-")) {
return "win";
}
// Check for a tie
else if (!board.includes("-")) {
return "tie";
}
// Game is not over
else {
return "play";
}
}
// Define the main game loop
function main() {
printBoard();
let currentPlayer = "X";
let gameOver = false;
while (!gameOver) {
takeTurn(currentPlayer);
let gameResult = checkGameOver();
if (gameResult === "win") {
console.log(`${currentPlayer} wins!`);
gameOver = true;
} else if (gameResult === "tie") {
console.log("It's a tie!");
gameOver = true;
} else {
// Switch to the other player
currentPlayer = currentPlayer === "X" ? "O" : "X";
}
}
}
// Start the game
main();