Getting Started with React.js: A Quick Guide

What Is React.js?

React's Virtual DOM computes UI changes in memory first, then updates the real DOM with the minimum number of changes needed. The introduction of Hooks in React 16.8 made it possible to use state and other React features without writing a class.

Why It's Worth Knowing

React is built around components — each piece of UI can be developed independently and reused in different places. If you're just getting started with React.js, these few points already give you a clear picture of how it's used in real projects.