React, also known as ReactJS, is a popular and powerful JavaScript library used for building dynamic and interactive user interfaces, primarily for single-page applications (SPAs). It was developed and maintained by Facebook and has gained significant popularity due to its efficient rendering techniques, reusable components, and active community support.

In this article, we will explore React Introduction, what React is, its key features, benefits, and why it’s a great choice for modern web development.

React is a JavaScript library for building user interfaces (UIs) on the web. React is a declarative, component based library that allows developers to build reusable UI components and It follows the Virtual DOM (Document Object Model) approach, which optimizes rendering performance by minimizing DOM updates. React is fast and works well with other tools and libraries.