Code of the day

counter.js

        function counter(colAdd, rowAdd) {
            var count = 1;
            var x, y;
            for (x = move.col + colAdd, y = move.row + rowAdd;
                 isOwnedByCurrentPlayer(x, y);
                 count++, x += colAdd, y += rowAdd) {
            }
            for (x = move.col - colAdd, y = move.row - rowAdd;
                 isOwnedByCurrentPlayer(x, y);
                 count++, x -= colAdd, y -= rowAdd) {
            }
            return count;
        }