The front-end should be just the (user-) interface. The main logic is best kept on the server. In the early days of the web there was such a thing as "text-bas

The front-end should be just the (user-) interface. The main logic is best kept on the server. In the early days of the web there was such a thing as "text-based browser". (Don't recall its name right now). You could interface with the WWW via a text-console. The point was user-interface shouldn't be the main thing of the application, it should be just a shell around it.