Answer 1

According to line2 in js the field is already occupied by ai.

Answer 2

RKK teamwork😉

Answer 3

🎃#H P 22™🎃
if you're allowing your AI to take the first turn by taking the top-right cell then make it black to indicate that its taken in your css like so...

#c3{
background-color:black;
}

Answer 4

Frogged yusssss! 💪😁