async

The async function keyword can be used to define async functions inside expressions. async function expression (MDN)

Links about async

1. JavaScript async and await in loops | Zell Liew

   posted on May 1, 2019 by Zell Liew

   I share some gotchas you have to watch out for when you use async and await in loops.

   

2. async function expression

   posted on March 13, 2020 by MDN

   The async function keyword can be used to define async functions inside expressions.

   

Code sample

async function f3() {
  var y = await 20;
  console.log(y); // 20
}