What is the MEAN stack? List its components.
What is the MEAN stack? List its components.
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07-Apr-2025
Updated on 05-May-2025
Khushi Singh
05-May-2025The MEAN stack is a popular set of JavaScript technologies for building full-stack web apps. MEAN stands for MongoDB, Express.js, Angular, and Node.js. These tools let developers create dynamic and scalable web applications using only JavaScript, from the front end to the back end.
Here's a quick rundown of each component:
1. MongoDB (Database Layer)
MongoDB is a NoSQL database that stores data in a JSON-like format. It's flexible since it doesn't require a fixed structure, making it easy to store different types of data. It's great for handling both structured and unstructured information.
2. Express.js (Backend Framework)
Express.js is a simple and flexible framework for Node.js that makes it easier to build server-side apps and APIs. It offers powerful routing and middlewares, letting you manage requests and connect with MongoDB smoothly.
3. Angular (Frontend Framework)
Angular is a TypeScript-based framework from Google for creating dynamic single-page applications. It has a solid data-binding system, reusable components, and handles dependencies well. Angular interacts with backend services to fetch and show data smoothly.
4. Node.js (Runtime Environment)
Node.js is a server-side JavaScript environment built on Chrome's V8 engine. It allows JavaScript to run on servers, so developers can use one language for both the client and server sides. Node.js is known for its event-driven design, which helps with performance and scaling.
Benefits of the MEAN Stack:
- Uses only JavaScript
- High performance and scaling
- Fast development with reusable code
- Supported by a large community and open-source tools