It's called asm.js. Make your real language compile to that. asm.js not Javascript. It's an assembly languange (well, at least an IR) for a simple static vir

It's called asm.js. Make your real language compile to that. asm.js not Javascript. It's an assembly languange (well, at least an IR) for a simple static virtual machine. It's easy to write intepreters and JITs for that virtual machine, and modern browsers are starting to do so. It's not much of a stretch to think of asm.js as a way for browsers to run native code. Asm.js is the clever hack that lets you shoehorn any language you want into the browser and to run it fast.