React is a popular JavaScript library for building user interfaces, developed by Facebook. It enables developers to create single-page applications and dynamic web apps with a component-based architecture. Here are key features of React:

  • Declarative UI
    Describe what your app should look like, and React handles updates efficiently.

    Declarative_UI
  • Component Reusability
    Break interfaces into independent, reusable components.

    Component_Reusability
  • Virtual DOM
    Optimizes rendering performance by minimizing direct DOM manipulations.

    Virtual_DOM
  • Unidirectional Data Flow
    Data flows from parent to child components through props.

    Unidirectional_Data_Flow

For deeper exploration, check our React fundamentals guide or component lifecycle documentation. 📘

React_Fundamentals