An independent developer has published a multi-part series showing the innards of a homebrew GameBoy emulator--one that runs in JavaScript inside a browser window.

In a dedicated attempt to show just how far the programming language Javascript has developed since its launch in Netscape Navigator 2.0 during September 1995, Imran Nazar is building a Game Boy ...

This week the company took down a popular JavaScript-powered Game Boy Advance emulator with dozens of pre-loaded games, claiming several copyright infringements. ...

The output is currently a single-page Javascript emulator application with an assembly and a dissembler. However, but that backend can easily be swapped to another language such as Rust or C++.

Now, in related but separate news, Nintendo has shut down a repository on the developer platform GitHub - which allowed users to access Game Boy Advance games through a JavaScript-based emulator.

Javascript emulator lets you run Mac OS 8 as an app on your Mac.

Nintendo asks GitHub to make Javascript-based Game Boy emulator disappear More than 20 games— Pokémon Silver and Gold included—were formerly available.