Introduction to React - What is it and Why Use It? Welcome to the fascinating world of React, a JavaScript library that has transformed the landscape of front-end development. In this comprehensive tutorial, we'll delve deep into understanding what React is, explore its key features, and unravel the compelling reasons behind its widespread adoption in the modern web development ecosystem. What is React? React, also known as React.js, is an open-source JavaScript library developed and ... React is a JavaScript library for building user interfaces (UI) with components and JSX. Learn how to add React to an HTML page, create React elements and components, and use the Create React App tool. The main purpose of React is to be fast, scalable, and simple. In this article, we will see what React is, exploring its history, core concepts, advantages, and practical uses. What is React ? React is a JavaScript library for building user interfaces (UIs) on the web. What Is React? React is a library that helps developers build websites. It was created by Facebook and has become very popular in the web development community. The main goal of React is to make it easier to build user interfaces, especially for single-page applications (SPAs). SPAs are web apps that load a single HTML page and dynamically update content as the user interacts with the app.
