# js-sys: WebAssembly in WebAssembly [View full source code][code] or [view the compiled example online][online] [online]: https://rustwasm.github.io/wasm-bindgen/exbuild/wasm-in-wasm/ [code]: https://github.com/rustwasm/wasm-bindgen/tree/master/examples/wasm-in-wasm Using the `js-sys` crate we can get pretty meta and instantiate `WebAssembly` modules from inside `WebAssembly` modules! ## `src/lib.rs` ```rust {{#include ../../../examples/wasm-in-wasm/src/lib.rs}} ```