This an example project to show how it work with the back-end oniline_judge. I'm not so go at font-end programming, but ojFront looks ok for me. So enjoy it 🍻 .
I'm can't figure out how to get .env and get the url. So currently, I set the back-end url in src\index.tsx. If your backend is not http://127.0.0.1:8080/, you will need to change it.