Asynchronous programming in JavaScript leverages features like callbacks, promises and async/await to sidestep this issue by allowing other code to run in the meantime.

Speaking of the latter, it says: "With Blazor 0.4.0 you can now call and await registered JavaScript async functions like you would an async .NET method using the new RegisteredFunction.InvokeAsync ...

The WebAssembly JavaScript Promise Integration API suspends a Wasm application when it issues a synchronous API call and resumes it when the asynchronous I/O operation is completed. The developers ...