It’s not a perfect solution yet, but their comment is mostly accurate. wasm-bindgen works well enough to create whatever else is missing. In my opinion, it can feel annoying to use when doing stuff like managing callbacks with rust, but, there are web frontend frameworks that are progressing.

I’ve used Dioxus. If the application isn’t too complicated, it’s not a bad experience. It’s still in development though. There’s also Yew, which has a similar react like design that Dioxus uses, but I preferred Dioxus. Lemmy also actually has a frontend client that uses Leptos, which is another react like framework in rust.

If someone was using egui, I don’t think they would have issues with their user interface on the web. (but be more constrained to the limitations of it)

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They were also only correcting the author who stated browsers support only JS. I mean, I’m not sure I would recommend rust to a new developer, but, I think they’re correct that browsers support more than JS. (Browsers are just not supporting WebAssembly to the level of JS yet)