MERN Stack for Project

This article will discuss the usage of react.js, node.js, and MongoDB in a project. These three technologies are the components of MERN architecture. MERN architecture is a 3-tier framework to develop applications using JavaScript and JSON.

What is the MERN Stack?

MERN is the acronym used for MongoDB, Express, React, and Node. These four technologies make up the stack.

  • MongoDB — used for database
  • Express.js — Node.js web framework
  • React.js — a client-side JavaScript framework
  • Node.js — webserver


React.js is a free, declarative, efficient, flexible, and open-sourced JavaScript library used to build creative User Interfaces and components. Single-page web apps and mobile applications are builds using it. It is developed and maintained by Facebook and regularly updates bug fixes and documentation.

A Brief History

In 2011, Facebook launched react.js to make their frontend more creative and responsive for their users. In 2012, Instagram also adopted it for their use. Finally, in 2013, Facebook open-sourced react.js, and people started embracing its creativity. Now, several multinational companies use it to develop attractive and innovative apps for their community.

Usage of React.js in a project

Below are the top benefits and reasons to use React.js components in your project:

1. Component Style Architecture

React.js allows you to reuse the pre-built components and adjust them according to your needs, saving much time. In addition, its component-style architecture has enabled the other developers to migrate to React.js.

2. Instant Updates without page reload

Instant updates are one of the most prominent features of react.js in that it updates the component without a complete page reload.

When people react to the Facebook post or comment, it appears immediately to the user. There is no need to reload the page again and again to view the updates.

3. SEO Friendly Features

React.JS runs on a server, renders a virtual DOM, and returns it to browsers through a regular webpage whenever a search engine is unable to read JavaScript at that time.

A react.js application can handle failures efficiently. The Google team constantly improves its search engine, but we do not want to forget other search engines such as Yahoo, Bing, etc.

In addition, microformat cases such as Twitter, OpenGraph, etc., should be considered.

4. Easy development of dynamic web apps

We need HTML strings to create dynamic web pages. Before react.js, there was much coding effort required to develop the applications. But now, it is straightforward with the help of react.js.

HTML quotes and tags are used to render particular subcomponents using JSX, which has a specific syntax. A variable file may also include multiple components that have a machine-readable code.

Moreover, In React, templates are created by using JSX instead of regular JavaScript.

5. Uses third party components

As several strong developers maintain it, you can use any third-party open source components in your project and save your time. React JS is designed for reusing components, which is why Facebook is currently using it.

Using popular features like a checkbox, a button, etc., is an excellent way to get started. By now, you should be working on wrapper components, which are composed of internal logic, so you can work on objects and manipulate them easily.

Moreover, Code maintenance is facilitated by ensuring consistency of application. Companies like Walmart commonly use React.JS. Some elements are common to all companies,

For example, a payment form element, an image carousel, and breadcrumbs. Reusing components becomes relevant in this case.

6. Easy to learn

Components in React.js are so intuitive that anyone can use them. You can use React if you know JavaScript, which is one of the most significant benefits.

If you don’t know JavaScript, you won’t have a problem learning the components. They are very well designed and set up, so learning them is not difficult.

7. Easy Transition to React Native

Based on React, React Native is a mobile application development framework. Therefore, React.JS developers can quickly adapt their applications to React Native and create native-looking mobile applications.

You can reuse some components developed in a React web application in a React Native mobile project, reducing development time.

React.js, Node.js, and MongoDB are the most important language for the development of Projects nowadays.


Node.js is a programming language developed by Ryan Dahl, and it’s the latest version, 0.10.36, since 2009. This server-side platform builds on Google Chrome’s V8 Engine (JavaScript Engine).

An Overview

The Node.js library was created in 2009 by Ryan Dahl. End of the year, European JSConf premiered it. Node.js was initially available only on Linux and Mac OS, but Microsoft released a Windows version three years later. It combined Google’s V8 JavaScript engine, an event loop, and low-level I/O APIs.

Usage of Node.js in a project

There are many reasons to use Node.js in Project. Let us determine the reasons to use Node.js in a project to develop high-quality applications.

1. Real-Time Applications of Node.js

One of the Node.js use cases is real-time messaging or chatting since Node.js can ensure great speed and performance. Moreover, when messages are displayed to many users simultaneously, it can handle the heavy traffic of many short messages.

2. IoT Applications

There are several benefits to using Node.js for handling extensive data flows, such as speed and power. You can easily integrate Node.js with IoT protocols, for example, MQTT and WebSockets. Node.js is used to implement IoT development projects.

3. Social Media Marketing Apps

LinkedIn and Medium are both rebuilt using Node.js. A social media network backend requires a specific combination of nodes. Node.js V8 engine provides lightning-fast routing along with secure authentication.

4. Chat Rooms

For real-time Chatbots and chat applications, Node.js offers exclusive features. Chatbots have many popular features such as multi-user applications, intensive data, and heavy traffic across all devices.

With Node.js, you’re covered for all platforms, devices, and paradigms in chat and bot apps.

5. Data Streaming Applications

Companies such as Netflix stream content in 190 countries to 120 million users and counting using nodes.js. Using Node.js, you can process files at a breakneck speed and compress and upload files in a featherweight manner. These trends have been embraced by several online fashion e-shops and applications with massive data streaming capabilities.

6. Applications where scalability is essential

In applications that have to handle high peak loads, Node.js’ scalability is a great advantage. That’s why Uber, Careem, and other ride servicing apps use Node.js to develop their apps.

In addition to the growing international taxi industry, businesses typically experience high demand during holidays due to their nature.

7. Browser-based games

Games played in a browser are probably the most exciting applications of the real-time web. Today, playing games does not require Flash, Java, or Shockwave applets.

Their browsers allow them to do so. A real-time browser game can be created using Node.js,, and HTML 5. With the same technology, we can also make other games like multiplayer ones.

React.js, Node.js, and MongoDB are the most important language for the development of Projects nowadays.


The MongoDB system is an open-source document database build on a horizontal scale-out architecture. It is found in 2007 and used by several developer communities in the world.

An Overview

MongoDB develops by three developers named Eliot Horowitz, Kevin P.Ryan, and Dwight Merriman. The initial launch was on 11th February 2009, and this DBMS was written in C++, Go, JavaScript and Python.

Usage of MongoDB in Project

1. Applications where users do not interact with each other

The MongoDB database is an excellent choice for web applications, primarily when the application services many users who do not interact.

For example, financial services applications require users to have access only to their data. You can also use a blogging application that allows users to register and create and edit blogs.

There are no interactions between users. To store information about a user in a relational database, one must keep it across multiple tables.

To gain access to all the information about a user, the application would need to make several queries or complex JOIN queries. MongoDB’s schema-less document database allows you to store all of a user’s information in one place.

2. When you want to incorporate several datasets

The ability to incorporate many datasets is another excellent use case for MongoDB. Its schema-less design allows you to store your data however you like.

This will enable you to store data from several sources in one location for websites, databases, RSS feeds, etc., and then use services on top of your new database to analyze it.

3. For Load balancing

Scaling horizontally with MongoDB involves splitting data between multiple instances of the database via sharding. Moreover, it is possible to run MongoDB on various servers, balancing load and duplicating information in case of hardware failure.

4. To replicate MongoDB instances

High availability using replica sets in MongoDB. A replica set can consist of two or more mongo DB instances. The members of a replica set can alternate the role of primary and secondary replicas at any time.

As the central server, this replica interacts with clients and executes all read/write operations. Secondary images synchronize with the primary images using built-in replication.

5. When integrating geospatial data

The MongoDB database is excellent for integrating geospatial and other types of data. MongoDB offers GeoJSON types for storing locational metadata, so you can efficiently store latitude and longitude information.

In addition, MongoDB provides the 2DSphere index, which optimizes geometric calculations on spheres.

React.js, Node.js, and MongoDB are the most important language for the development of Projects nowadays.

CONCLUSION of React.js, Node.js, and MongoDB

Like any web stack, you can build whatever you want using these three technologies. Most importantly, such types of technology are used for developing cloud base, JSON-heavy, and web applications with dynamic user interfaces and where real-time data processing is prioritized.

You can create a Work Flow Management System, News Aggregation System, To-do apps, and other social media platforms.

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Deval Patel