MERN is a industry-standard full-stack way to create web applications using MongoDB, ExpressJS, React, and NodeJS. The nice thing about MERN is that the entire front-to-back is based in JavaScript - working with MERN is sure to give you working proficiency in the language.
General Information:
Setting up your first MERN Repo:
Starter Code / Repository:
https://github.com/RathodSanjayL/MERN-Stack
Some Good Places to Start: