What is ReactJS used for?

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

Both HTML and CSS are integral to any web development project. If you have these skills already, then learning React should be a relatively straightforward process. It has its own unique set of challenges, but it is an excellent tool to have in order to start or further your career as a web developer .

Is Angular better than React? Because of its virtual DOM implementation and rendering optimizations, React outperforms Angular . It’s also simple to switch between React versions; unlike Angular, you don’t have to install updates one by one.