Other languages compilers/interpreters may be compiled in asm.js and let us program in something different than Javascript (e.g. https://github.com/replit/empyt

Other languages compilers/interpreters may be compiled in asm.js and let us program in something different than Javascript (e.g. https://github.com/replit/empythoned https://github.com/replit/empythoned ). Is this realistic?