Code is easy, data is hard, the JIT would help with the former only. Rust on JSVM/.NET/JVM/Dart relies on the host platform to provide the underlying object sys

Code is easy, data is hard, the JIT would help with the former only. Rust on JSVM/.NET/JVM/Dart relies on the host platform to provide the underlying object system, reflection, interop with host code, GC etc.