> Your Node.js server then interprets that JavaScript and executes C++.

Umm...no? V8 specifically compiles it into machine code directly.

There used to be a pseudo-translation layer in the CrankShaftScript days, but that hasn't been true in almost a decade.

> I can decompile the binary and still see the type information.

Also no. The de-compiler can _infer_ the types, much like how V8 tries to infer the type. But the actual type information is gone.

Even in languages like Java where most of the type information is preserved, some things are still lost (e.g. generic methods with dynamicinvoke)