Tons of languages are doing that: OCaml, Python, Java (and Dart and GWT), C, C++ off the top of my head. I don't think it will catch on, because Javascript has

Tons of languages are doing that: OCaml, Python, Java (and Dart and GWT), C, C++ off the top of my head. I don't think it will catch on, because Javascript has been good enough and these runtimes have overhead.