React is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It is maintained by Meta and a community of individual developers and companies.

React. js is an open-source JavaScript library that is used for building user interfaces specifically for single-page applications. It's used for handling the view layer for web and mobile apps. React also allows us to create reusable UI components



One of the main benefits of using React JS is its potential to reuse components. It saves time for developers as they don't have to write various codes for the same features. Furthermore, if any changes are made in any particular part, it will not affect other parts of the application.

React is a cool tool for web development, and as cool as it is, 
it's very easy to learn.

js/React is an open-source 
frontend framework that is based on JavaScript, developed by Facebook, and best known for its virtual DOM feature. With React, we recommend Express. js/Express as a backend service.

React plays a big role in how the UI is structured, but the actual definition of the content, the layout, the colors, and the logic for fetching the data, and so on is defined in a combination of HTML, CSS, and JavaScript.