In the year 2022, the browser supports full motion video, 3D rendering, dynamic audio synthesis, local key value database storage, a USB access API, and an API

In the year 2022, the browser supports full motion video, 3D rendering, dynamic audio synthesis, local key value database storage, a USB access API, and an API for interacting with head mount displays and hand trackers. The simple dynamically-linked page displaying application you are imagining a browser to be is long dead, in much the same way the simple programmable calculating machine that was the personal computer was long dead by the time John Carmack got it to run Doom.