Quotes About Async

When a Promise-based asynchronous computation completes normally, it passes its result to the function that is the first argument to then().

Promises, new in ES6, are objects that represent the not-yet-available result of an asynchronous operation.

The keywords async and await were introduced in ES2017 and provide new syntax that simplifies asynchronous programming by allowing you to structure your Promise-based code as if it was synchronous.