![]() ![]() It integrates seamlessly with the Node.js server, enabling efficient data retrieval and storage operations. MongoDB’s document-based structure allows for easy manipulation of data using JSON-like BSON. It provides a flexible and scalable solution for storing and retrieving data. MongoDB, a NoSQL database, serves as the data storage component in the MERN stack architecture. It handles routing, middleware management, and request/response handling, making it easier to develop APIs and handle server-side logic. Express.js, built on top of Node.js, is a web application framework that simplifies the process of building server-side components. It enables handling of HTTP requests, file operations, and database interactions. Node.js provides the runtime environment for executing JavaScript code on the server-side. The back-end of a MERN stack application consists of two main components: Node.js and Express.js. This approach results in fast and responsive user interfaces. React utilizes a virtual DOM, which efficiently updates and renders components as the application state changes. These components, composed together, form the user interface of the application. React follows a component-based architecture, where each UI element is encapsulated within a reusable component. The front-end of a MERN stack application is built using React, the JavaScript library for user interface development. Let’s dive into the architectural components and their roles within the MERN stack: The MERN stack architecture follows a structured and modular approach to web application development. ![]() In the next section, we will explore the advantages of using MERN stack in more detail. The flexibility, scalability, and efficiency of MERN stack make it a popular choice for building modern web applications that require real-time updates, interactive user interfaces, and seamless data management. It offers a wide range of libraries and packages from its robust npm (Node Package Manager) ecosystem, making it a versatile and efficient choice for server-side development.īy combining these four technologies, MERN stack enables end-to-end JavaScript development, from the front-end to the back-end. Node.js facilitates seamless communication between the front-end and back-end components of a MERN stack application. It provides a scalable and event-driven architecture that enables building high-performance, server-side applications.
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