React in Action: “Building Scalable Frontend Architectures 2025

React.js is a popular JavaScript library developed by
Facebook for building dynamic user interfaces, especially for
single-page applications. It follows a component-based
architecture, allowing developers to create reusable UI
components. React uses a Virtual DOM, which optimizes
rendering by updating only the parts of the actual DOM that
have changed, improving performance. JSX, a syntax
extension, enables writing HTML-like code within JavaScript.
React’s declarative nature simplifies managing UI states and
updates. Its integration with tools like React Router and Redux
supports efficient routing and state management, making React
a powerful tool for scalable web applications. The main
objective of React.js is to simplify the development of
dynamic, interactive user interfaces (UIs) for web applications
while ensuring high performance, scalability, and
maintainability.

Introduction to React.js: Concepts and Components
Understanding JSX: JavaScript + XML
Styling in React: CSS-in-JS, Styled Components, and
CSS Modules
State and Props in React.js
React.js Lifecycle Methods
Handling Events in React.js
React Hooks: A Functional Way to Manage State
React Router: Navigating Single Page Applications

React in Action: “Building Scalable
Frontend Architectures”

14.11.2025

295

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