What is a MEARN stack and why should you use it?

Krishnendhu A
5 min readSep 27, 2022


What is MEARN Stack?
A set of technologies referred to as the MEARN stack build it potential to construct applications additional quickly. The MEARN Stack is created of Node.js, Mongo DB, Express, Angular and React. MEARN stack is AN ASCII text file full-stack JavaScript resolution, enabling the faster and easier preparation of full-stack applications.

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The MEARN Stack parts
Mongo DB:

Mongo DB could be a document info that uses a JSON-based search language and versatile documents to store knowledge. You don’t have to be compelled to modify your application to feature further fields as a result of it includes dynamic schemas. The measurability and adaptability of the Mongo DB framework are its known options.
Mongo DB features include:
• Environment measurability inbuilt.
• It supports versatile aggregating tools like Map Reduce.
• It allows a quick-to-create versatile document model.
• As Mongo DB uses common hardware, prices are greatly reduced.
• One server will run Mongo DB on many others.
A NodeJS framework referred to as ExpressJS makes it easier to put in writing backend code. You’ll save creating further Node modules attributable to that and helps in maintaining the code’s accuracy. It assists North American country in fastening our forepart (React JS) and info to our backend.
Features of Express Js:
• Single-threaded and asynchronous.
• It is fast and versatile.
• Robust API
Angular JS:
A structured JavaScript framework, builds dynamic single page applications. It’s a client-side framework that supports multiple platforms. All the functions and commands of this framework use code templates written in HTML script.
Moreover, the Angular JS framework has several powerful options. These options enable decoupling any application logic from DOM (Document Object Model) manipulation.
Features of Angular JS:
• Model view Controller (MVC) Framework.
• User interface with HTML
• POJO Model
• Active community on Google
• routing and Two-way binding
A JS library referred to as ReactJS allows the creation of user interfaces for mobile apps and SPAs. It allows you to form UI parts and code JavaScript. Each mobile and desktop applications may be created with it as a result of it manages the read layer.
Features of React:
• Supports unidirectional knowledge binding, which implies that each one knowledge moves through the applying in one direction.
• It helps developers work additional quickly and improves the user expertise.
• A component-based framework is ReactJS. to form it straightforward to transfer all of the info through the applying, the code is written in templates.
Users will run code on the server using NodeJS, AN ASCII text file JavaScript runtime environment. Node’s use of the Chrome JavaScript Engine makes it potential for quicker code execution. Rather than mistreatment its own module system supported Common JS to mix multiple JavaScript files, Node.js works while not an interior HTML page.
Features of Nodejs:
• Node.js applications never buffer any knowledge.
• A single-threaded model with event iteration is employed by Node.js.
• With Node.js, robust server-side applications could also be created.
• It is incredibly scalable.

What is MEARN Stack?
The MEARN stack could be a nice possibility for businesses trying to form top-notch on-line apps. a really seamless development method is secure by the MEARN stack. Since the MEARN stack is open-sourced and supported by a large developer community, you’ll simply realize several superb libraries, no-cost npm packages.

Advantages of selecting MEARN stack for contemporary web/mobile apps
• A terribly sleek development method is provided by the MEARN stack.
• Even plenty of testing tools ar already enclosed at intervals the MEARN stack.
• Using the MEARN stack, one might produce refined applications like e-commerce websites, video line of work applications, social media websites, etc.
• Strong community support is offered for MEARN stack.
• Quick and economical than the normal servers, creating it apt for tiny apps
• More tuned in to user inputs, providing a more robust user expertise
• MVC design keeps the presentation details separated from the business logic
• Full stack development provides support to each frontend and backend app development
• A quick and resilient internet server saves time spent on troubleshooting input/output and C.P.U. problems

Top four use cases of the MEARN stack
the primary goal of the MEARN stack is to extend any application’s well-rounded performance. It’ll be particularly useful in managing large and complicated projects. However, it’s additional appropriate for the event of mobile applications. Here are a number of the employment cases of MEARN:
1. Expense tracking apps
The MEARN stack can enable you to make data-intensive expense tracker apps. It’ll facilitate users to stay a record of their daily expenses. Moreover, with this JS framework, you’ll add knowledge visualization options like:
• Track daily expenses
• Manage tax deductions
• Trace sales and receipts
• Actual v/s budget spent
2. Remote learning apps
another notable use case of MEARN is building web-based academic apps. The COVID-19 pandemic acted as a threshold force for North American country to enter AN era of remote learning. The net room apps designed using MEARN will have the subsequent features:
• Monitor students’ progress
• Upload lectures with chapters
• Share documents
• In-app electronic communication
3. Media streaming apps
one of the prime applications of MEARN is making interactive social media forums. Mistreatment this JS framework, you’ll produce a social media page with the subsequent features:
• Post Sharing
• Online Advertisements
• Accumulated internet News
• Commenting and feeling
4. Web-based marketplace apps
The MEARN stack is suitable for making digital e-commerce apps. Mistreatment this JS framework, you’ll produce web-based marketplace apps, from elemental to advanced options, including:
• Inventory management
• Payment process
• Social sign-up or login
• Real-time bidding

I hope this article has clarified any misunderstandings regarding the MEARN stack and its advantages. The well-liked framework for making mobile and web applications is MEARN stack. Writing internet application scripts is significantly easier with this mix of robust individual technologies than with alternative frameworks. Modularity could be a terribly adaptive feature as a result of it permits you to develop distinctive solutions supported your needs.



Krishnendhu A

A Content marketing enthusiast