Could/should Javascript have been the defacto DS language?

Specifically, I (possibly naively) wish Python didn't exist and Javascript was used in it's place, but this might be misguided, so I am here to ask for counter arguments. And by Javascript I mean Javascript with a runtime like Node or Deno.

But why Javascript? Visualisation is a large part of data science, and most libraries seem to use web technologies under the hood, for good reason, since web technologies are powerful and mature, and make sharing visualiations over the …

datascience javascript language