What Is an Asynchronous Function in JavaScript?
When you look at the second hand of a ticking clock, you’ll find out that the second hand moves sequentially. It points at 1 before it does 2, and then 3. It does not point at 4 and then 1 and then 9. Now imagine that the second hand is the JavaScript runtime and each number is a function. The second hand, which is our imaginary JavaScript runtime, determines what function runs by pointing at the number....