Even earlier, it started with NaCL, then PNaCL. With an SDK that supported C, C++ and OCaml. Mozzilla not wanting to jump into Google's boat came up with asm.j

Even earlier, it started with NaCL, then PNaCL. With an SDK that supported C, C++ and OCaml. Mozzilla not wanting to jump into Google's boat came up with asm.js. This naturally ignoring all the other plugins.