How to use callback functions in JavaScript?

The article on FreeCodeCamp discusses how to use callback functions in JavaScript. Callback functions are a crucial part of asynchronous programming in this language, allowing code to be executed at a specific time when a task is completed. The author explains what callback functions are, providing a simple code example that illustrates how they can be implemented. Various scenarios for using callbacks are also presented, helping readers better understand their significance in the context of modern programming. Another point touched upon in the article is a comparison of callback functions with other methods of managing asynchronicity in JavaScript, such as promises. This resource is recommended for beginner programmers who want to delve into the topic of asynchronous JavaScript and gain practical skills in this area.