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.

Assuming the hypothetical "async" function is completely unmodifiable library code, what can I do in "myFunc" to ensure that "a" gets properly set to "step 2" before the function returns?

Async JavaScript, and web apps generally, rely heavily on asynchronous operations. Wasm’s specification, WASI, doesn’t yet natively support async I/O, but one of the key features promised for ...