That’s one of the primary reasons we built the tooling for Q# to run in the browser (by writing in Rust and compiling to wasm). The “try with copilot” experience [1] and the “katas” for learning [2] all have a full language service and runtime in the browser.

https://quantum.microsoft.com/en-us/tools/quantum-coding

https://quantum.microsoft.com/en-us/tools/quantum-katas