Full Stack Web Development MASTERY Course - Novice to Expert - Callback Functions in JavaScript

This tutorial explains callback functions in JavaScript, their importance, and how to use them. It covers the concept of higher-order functions, asynchronous execution, and provides a practical example using the setTimeout function to demonstrate how callbacks work. The tutorial emphasizes the need to call functions for them to execute and highlights the role of callbacks in preventing errors in asynchronous code.

What is a callback function in JavaScript?

Explain the concept of higher-order functions in relation to callback functions.

Why are callback functions important in JavaScript?

Describe how JavaScript executes functions and the role of callbacks in this process.

How can you create a callback function in JavaScript?

What is the purpose of the setTimeout function in relation to callback functions?

What happens if you declare a function but do not call it?