If there was an easy way to use rust or something on webassemly and use that instead of JS. I'd be so happy, but I can't find how to do it without npm.
Doesn't look like it, unfortunately. But it's planned. Kotlin can also compile to JavaScript with DOM manipulation. I've not tried either scenario, myself.
You can use WebAssembly today, but you still need some JS interop for a bunch of browser features (like DOM manipulation). Your core logic can be in WebAssembly though. C# has Blazor, and I wouldn't be surprised if there's some Rust WebAssembly projects. I seem to recall that there's a reimplementation of Flash player that's built in Rust and compiles to WebAssembly.
Rust would probably be the wrong tool here. This is scripting, so pointers like Rust is built around aren't really meaningful. Kotlin or Python or something are more on the ticket.
Websites have grown beyond mere scripting.
Rust is about more than just nicer pointers, it has a very expressive type system that enables correctness rarely seen outside FP.