Nim is a fun language to program and also meets some of your requirements. It can compile to JS and has some libraries to interop with html. Admittedly it’s a b

Nim is a fun language to program and also meets some of your requirements. It can compile to JS and has some libraries to interop with html. Admittedly it’s a bit limited on those packages but they exist. HTML template: https://github.com/juancarlospaco/nim-html-dsl https://github.com/juancarlospaco/nim-html-dsl SDL on emscripten: https://jipok.github.io/Nim-SDL2-and-Emscripten/ https://jipok.github.io/Nim-SDL2-and-Emscripten/