This is the first day of the backend Development learning: Advanced JavaScript

These are the 13 important topics to learn before revising the backend in MERN

• Core JavaScript Concepts

• Functions

• Asynchronous Programming

• Object-Oriented Programming (OOP)

• Event Loop and Concurrency Model

• Working with APIs

• Modules

• File System Operatio

• JSON

• Error Handling

• Array and Object Methods

• Environment Variables

• Testing

If you read this article only then you will be able to further in the backend revision

Before starting these topic first of all please go and watch on youtube How javascript code execute (recommendation: namaste javascript playlist should watch it will make you interview ready in theory but for practicle watch “Chai Aur Code” playlist By Hitesh Chaudhary

All the javascript important topic you should learn first to yourself then try to watch the video it will help you to understand better.( I make mistake already to watch the one by one video on these topic explore by the chatgpt ).