Steps

Step 1 Create the grid

Step 2 Set up Mines use x = Math.random, if x < 0.3, put mine = true

On Clicking the box, 2 Cases:

Case 1: It contains a trap Show all the traps and game over

Case 2: It does not contain a trap Show the number of traps surrounding this box If the number of traps surrounding this box is zero Open the surrounding boxes (Same as Clicking on all of them) Call this Case 2 code again.