danielgnz

<div>
        { 
            [0, 1, 2].map( (i) => {
              return ( 
                <div className="board-row">
                  {
                    [0, 1, 2].map( (j) => {
                      let index = Math.floor((3 * j) / 3) + 3 * i;
                      return this.renderSquare(index)
                  })