Solution: lb_tictactoe

Here is the commented solution for this project.

Create the script

Create a file named lb_tictactoe.js.

$ touch lb_tictactoe.js

Set up global variables

The objective of this part is to initialize the variables that will be used to keep track of the various aspects of the game.

1. Declare a global variable named board to keep track of the player's moves and initialize it with a multidimensional array of size 3 by 3, where each element contains a space character ' '.

   // File: lb_tictactoe.jslet board = [  [' ', ' ', ' '],  [' ', ' ', ' '],  [' ', ' ', ' ']];