The Modern JavaScript Bootcamp (2019) - Callback Abstraction

The video tutorial covers the concept of abstraction in coding, focusing on simplifying complex tasks using methods and functions. It introduces the creation of a separate file, requests.js, for handling HTTP requests and explains the use of callback functions in asynchronous operations. The tutorial demonstrates implementing the callback pattern to manage data and handle errors effectively, emphasizing the importance of separating concerns in code structure.

How does the code handle successful data retrieval?

What is the significance of using 'undefined' in the callback function?

How does the text suggest improving the structure of the code?

What are the two possible outcomes when calling the callback function?