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 ...

A note about browser support The Fetch API and async() functions with await are modern JavaScript patterns that aren’t always supported by old browsers, particularly non-Edge IE browsers.