Async/Await Async/await is a syntactic feature in modern programming languages that simplifies writing asynchronous code, making it almost as straightforward as writing synchronous code.

Callbacks work fine for handling asynchronous code in JavaScript, but promises and the async and await keywords are cleaner and more flexible.

Synchronous and asynchronous online courses each provide different benefits. Research shows students learning in the COVID-19 era prefer one over the other.