Learn What are the Crucial Components of the MERN Stack

Top 6 Benefits of using MERN Stack


MERN Stack is one of the most widely used tech stacks in the software development business. This includes the four crucial JavaScript-based technologies; MongoDB, Express, React, and Node.

So, before mastering MERN, web developers must first know HTML, CSS, and JavaScript. It will assist candidates in understanding the technology better and how different stacks may help the organization. In addition, you can enroll in the Mern Stack Training in Noida, which will help you advance in your career goals and make you stand apart from the crowd.

Different Components of the MERN Stack

MERN comprises four different technologies; MongoDB, Express, React, and Node. Now, let us go through these technologies in detail:

● MongoDB

It is a document-oriented non-relational database.

Unlike traditional databases, which have a common schema design based on columns and tables, MongoDB has no schema involved. Data is stored as flexible documents and queried using a query language based on JSON (JavaScript Object Notation). Also, the content, size, and number of fields may differ. This implies that the data structure will evolve with time.

● Express

Another component, Express, is a web application framework for Node.js technology. Instead of creating whole web server code by hand in Node.js, developers utilize Express to make server code authoring easier. However, there’s no need to keep repeating the same code as you would require with the Node.js HTTP module.

Moreover, the Express framework is for creating advanced web applications and APIs. It’s also known for its lightning-fast performance and simple design, with many capabilities available via plugins.

● React

A Facebook software developer created the React technology and made it open-source. Facebook, as well as a network of development firms and individual developers, maintains it.

However, you may use the React library to generate HTML views. This reduces the developer’s requirement to manage the implications of changes in the view’s state or modification in the data.

However, instead of using templates to create repeating HTML or DOM (Document Object Model) components, React develops repetitive or conditional DOM elements using a full-featured programming language.

● Node

Node.js came into existence for Google Chrome and was made open-sourced by Google in 2008. However, the Chrome V8 JavaScript engine powers this technology. However, it is for creating scalable network applications and can run JavaScript code outside a browser. Moreover, it operates without an enclosed HTML page, instead relying on its own module system based on Common JS to assemble a collection of JavaScript scripts.


Hopefully, you may find this article informative. We have compiled the critical components of the MERN Stack. It makes this technology prominent among individuals. By looking at these, if you desire to work in this domain, we suggest you enroll in the Mern Stack Developer Online Training.