There is a DOM story: host bindings. It just isn't implemented yet.

However, that doesn't mean that you can't use it now. wasm-bindgen is essentially a polyfill for host bindings plus some other little things.

Some resources to check out if you want to learn more:

* Host bindings: https://github.com/WebAssembly/host-bindings/blob/master/pro...

* More info about web-sys (web-sys is like the raw libc for the web): https://rustwasm.github.io/wasm-bindgen/web-sys/index.html

* API documentation for web-sys: https://docs.rs/web-sys/0.3.2/web_sys/

* DOM hello world example: https://rustwasm.github.io/wasm-bindgen/examples/dom.html

* A mini MS Paint style example: https://rustwasm.github.io/wasm-bindgen/examples/paint.html

* An FM synth in WebAudio: https://rustwasm.github.io/wasm-bindgen/examples/web-audio.h...