hacer el juego del gato programa completo

var board = [
    [' ', ' ', ' '],
    [' ', ' ', ' '],
    [' ', ' ', ' ']
];

var player = 'X';

var play = function(row, col) {
    if (board[row][col] === ' ') {
        board[row][col] = player;
        player = player === 'X' ? 'O' : 'X';
    }
};

for (var i = 0; i < 3; i++) {
    console.log(board[i].join('|'));
}

play(0, 0);
play(1, 1);
play(0, 1);

for (var i = 0; i < 3; i++) {
    console.log(board[i].join('|'));
}