I am not sure if self promotion is seeing with good eyes but the companion product for the code can be purchased at: https://calebjosue.gumroad.com/l/tictactoe-with-web-standards

A playable version has been deployed to OCI: https://axvghtygw97m.objectstorage.us-sanjose-1.oci.customer-oci.com/n/axvghtygw97m/b/YnVja2V0-20230811-2051/o/index.html

I hope you guys like it and if it doesn't please just let me know so I can delete this post.

Thank you very much.