In this video, we will be discussing how callback functions in JS work and how we can utilize their behavior to handle asynchronous code. Each concept is being explained with easy-to-follow examples and in the end, we will also create a custom MySQL function that uses callbacks to handle responses.
Important Links:
mysql2 library - https://github.com/sidorares/node-mysql2
Chapters:
0:00 Intro
1:00 What are callbacks?
2:45 async events and setTimeout()
4:30 Handling async code with callbacks
8:16 Callbacks vs. Promises
10:42 Creating a custom callback function