You can better understand code execution if you understand it.
Here's everything you need to know about it:
Before diving into it, we need to understand what multithreading is.
Multithreading is nothing but a programming feature by which we can make maximum use of the CPU by running two or more parts of the program simultaneously.
What exactly event loop is?
It's a mechanism that allows JavaScript to handle multiple tasks concurrently without blocking the main execution thread.