Learn how to create a callback function in JavaScript and use it for various purposes, such as asynchronous programming, modularity, flexibility, and custom events.

What is callback function in JavaScript? A function which takes another function as an argument and call that function in itself is known as callback function, in other words when we take a function ...

A callback function is a function passed into another fucntion as an argument, which is then invoked inside the outer function to complete some kind of routine or action. In this javascript file, I ...