Possibly the most common use case in all of JavaScript for async and await is using the browser’s built-in fetch API. Listing 1 declares an async function and uses await within it.

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

Topics covered in the workshop span a wide range of modern JavaScript capabilities, including built-in methods for streamlining code, robust exception handling, variable scope and hoisting, ES6 ...