What makes React.js an effective library for building user interfaces?

Investigates React’s architecture and asks why it stands out among UI libraries.

React.js, developed by Facebook, is a declarative, component-based JavaScript library used to build dynamic UIs and SPAs ([turn0search2]turn0search38]). It uses JSX syntax to define UI components and a virtual DOM diffing mechanism to optimize rendering. Core advantages: • Modular, reusable components organized by state and props • Efficient UI updates via virtual DOM • Strong ecosystem including React Native for mobile development ([turn0search44]turn0search32]) Category: Frontend/UI Development Tags: reactjs, frontend, components, jsx, virtual-dom