>Is there any sense in trying to go all out and write my analysis code in Julia or Numba (via Python), and spit out the LLVM IR to feed to Emscripten and compile to JS?
Julia is working towards something like this. This GSoC project description is pretty clear about the current state of web assembly:
Julia is working towards something like this. This GSoC project description is pretty clear about the current state of web assembly:
https://julialang.org/soc/projects/general.html#webassembly