MERN is an acronym that represents a full-stack JavaScript framework. It stands for MongoDB, Express.js, React.js, and Node.js. These four technologies are used together to build dynamic web applications. Here's a breakdown of each component:

MongoDB: A document-oriented NoSQL database used for high volume data storage.

Express.js: A powerful web application framework for Node.js, designed for building web applications and APIs.

React.js: A declarative, efficient, and flexible JavaScript library for building user interfaces.

Node.js: An open-source, cross-platform, JavaScript runtime environment that executes JavaScript code outside a web browser.

What is React and how it works?

React is a declarative, efficient, and flexible JavaScript library for building user interfaces. 'V' denotes the view in MVC. ReactJS is an open-source, component-based front end library responsible only for the view layer of the application. It is maintained by Facebook.

What is React vs angular?

React is a JavaScript library, whereas Angular is a front-end framework. React uses one-way data binding and virtual DOM, whereas Angular uses two-way data binding and real DOM. Moreover, React is faster than Angular as it has a smaller bundle size.

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