It is an extremely poor fit for dynamic languages. Maybe in a few years, once it has some better tooling for things like JIT. At present you might be better off

It is an extremely poor fit for dynamic languages. Maybe in a few years, once it has some better tooling for things like JIT. At present you might be better off compiling to JS - dynamic dispatch in WASM has some fixed overhead and dynamically generating code has severe limitations, while in JS there's no special overhead for dynamic dispatch and you can freely create as much code as you want at runtime and still benefit from JIT optimizations including inlining.