Mern stack Introduction
                     MERN Stack Introduction
What is MERN Stack
•A stack is the mixture of technologies used to create Web applications. Any 
web application will be made utilizing various technologies like (frameworks, 
libraries, databases).
•The MERN stack is a JavaScript stack that is intended to make Application 
Development process smoother.
Mern stack components
MERN incorporates four open-source Components: MongoDB, Express, 
React, and Node.js. These Components gives an end to end frameworks for 
developers to work with.
Components overview
MongoDB: A document-oriented, No-SQL database used to store the 
application data.
NodeJS: The JavaScript runtime environment. It is used to run JavaScript on 
a machine rather than in a browser.
ExpressJS: A framework layered on top of NodeJS, used to build the backend 
of a site using NodeJS functions and structures. Since NodeJS was not 
developed to make websites but rather run JavaScript on a machine, 
ExpressJS was developed.
ReactJS: A library created by Facebook. It is used to build UI components that 
create the user interface of the single page web application.
Benefits of MERN Stack
The principle advantage for engineers utilizing the MERN stack is that each 
line of code is written in JavaScript. This is a programming language that is 
utilized all over the place, both for client side and server-side.
For tech stack with different programming languages, developers need to find 
out how to interface them together. With the JavaScript stack, developers 
should be proficient in JavaScript and JSON.
Overall, using the MERN stack enables developers to build highly efficient web 
applications.
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