Full Stack Web Development MASTERY Course - Novice to Expert - Module Wrapper Function in Node.js

The video tutorial covers the concept of the module wrapper function in Node.js, explaining how Node.js automatically wraps code in a module wrapper function, making the data private. It discusses the parameters involved, such as exports and require, and the difference between private and public data. The tutorial also provides a practical example to illustrate these concepts and concludes with a brief overview of the importance of understanding what happens behind the scenes in Node.js.

Explain how Node.js treats each JavaScript file.

What happens to the code when you run a Node.js file?

What is the purpose of the module wrapper function in Node.js?

Describe the significance of the parameters like exports, require, and module in the module wrapper function.

What is an Immediately Invoked Function Expression (IIFE) and how does it relate to Node.js?

What is the difference between private and public data in the context of Node.js modules?

How does the use of 'let' and 'var' affect the accessibility of variables in Node.js?

What will happen if you try to access a variable defined inside the module wrapper function from outside?

Why is it important to understand the module wrapper function even if you write only a few lines of code?

How can you create your own HTTP server in Node.js as mentioned in the lecture?