Project Learn MERN Part 1: What is MERN?

What is MERN? MERN is a full-stack tech stack.


What does "full-stack" mean? Full stack is the front-end (HTML, CSS, JavaScript, images) and the back-end which has your middleware and database.


Why MERN? Because it uses JavaScript for the Front-end, Middleware and Database. You Read/Write JSON from MongoDB (database).


MongoDB - JavaScript (JSON)
Express - JavaScript (Library for Node.js)
React.js - JavaScript (HTML as JSX which XML transpiled to JavaScript)
Node.js - JavaScript (Middleware)


There are libraries that let you define your CSS as JSON.


MongoDB - stores data in JSON-like documents. It's more natural than, more expressive and powerful than column/row like SQL.
https://www.mongodb.com/



Express - Fast, unopinionated, minimalist web framework for Node.js
https://expressjs.com/



React.js - A JavaScript library for building user interfaces
https://reactjs.org/



Node.js - As an asynchronous event-driven JavaScript runtime, Node.js is designed to build scalable network applications, but you can use it for a wide variety of things.
https://nodejs.org/en/about/


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