velha.js

// Creating the matrix;

var matrix = [];
for(var i=0; i<3; i++) {
    matrix[i] = [0,0,0];
}

function validate() {
    // check result row
    var row = matrix.map(function (row) {
        var result = 0;
        row.map(function (val) {
                result += val;
        });
        return result;
    }).filter(function (val) {
       return val === 3 || val === 12;
    });

    if(row.length > 0) return row[0];

    //check col
    function r(matrix, i) {
        var result = 0;
        matrix.map(function (row) {
           result += row[i]
        })
        return result;
    };
    var col = matrix.reduce(function (a, n, i) {
       a.push(r(matrix, i));
       return a;
    }, []).filter(function (val) {
       return val === 3 || val === 12;
    });

    if(col.length > 0) return col[0];

    // check cross
    var cross = matrix.reduce(function (res, row, i) {
     return res += row[i];
    },0);

    if(cross === 3 || cross === 12) return cross;

    var cross = matrix.reverse().reduce(function (res, row, i) {
     return res += row[i];
    },0);

    if(cross === 3 || cross === 12) return cross;

    return 0;
}
var turns=0;
function turn(row, col, player) {
    var val =  matrix[row][col];
    if(val === 4 || val === 1) return;

    matrix[row][col] = player;
    switch (validate()) {
        case 0:
           console.log('no winner')
            break;
        case 3:
           console.log('Player X wins');
            break;
        case 12:
           console.log('Player O wins');
            break;
    }
}

//Player X = 1
//Player O = 4

//Col
// turn(0, 1, 4)
// turn(0, 2, 1)
// turn(1, 1, 4)
// turn(0, 0, 1)
// turn(2, 1, 4)

//Row
// turn(0, 0, 4)
// turn(1, 0, 1)
// turn(0, 1, 4)
// turn(1, 1, 1)
// turn(0, 2, 4)

//Cross ->
// turn(0, 0, 4)
// turn(1, 0, 1)
// turn(1, 1, 4)
// turn(2, 1, 1)
// turn(2, 2, 4)

//Cross <-
turn(0, 2, 4)
turn(1, 0, 1)
turn(1, 1, 4)
turn(2, 1, 1)
turn(2, 0, 4)