You are talking about a step in a specific direction.
If you make few more steps in that direction, you can simply write your own operating system, make native apps for it and then call it all "a website", because you can run it in a browser using e.g. this JS computer simulator https://copy.sh/v86/
If you make few more steps in that direction, you can simply write your own operating system, make native apps for it and then call it all "a website", because you can run it in a browser using e.g. this JS computer simulator https://copy.sh/v86/