Async/await is a set of keywords that allows writing of asynchronous code in a procedural manner without having to rely on callbacks (callback hell) or promise-chaining (
This works by using the
await keyword to suspend the state of an async function, until the resolution of a promise, and using the
async keyword to declare such async functions, which return a promise.
Async/await is available from node.js 8 by default or 7 using the flag