Summary
This chapter introduces React as a JavaScript library for building reusable, component-driven user interfaces using JSX and managing efficient data flow with the Virtual DOM.

General domain of usage
Web development

Welcome to the world of React, a powerful JavaScript library for building dynamic and interactive user interfaces. We'll explore what React is and why it has become the go-to choice for modern web development.

# What is React?
1. React is a popular JavaScript library for building reusable, component-driven user interfaces for web pages or applications;
2. React combines HTML with JavaScript functionality into its markup language called JSX. React also makes it easy to manage the data flow throughout the application;
3. In this course, you'll learn how to create different React components, manage data in state props, work with the actual API representing the backend, and much more.

Feel free to follow these links to review or learn these essential technologies before diving into React. 

# What you will learn in the course
- You will start by understanding the basics of React, including SPAs vs. MPAs, the Virtual DOM, JSX, and rendering elements;
- You will then learn how to create and style React components using various methods, such as inline styles, CSS files, and CSS modules;
- Next, you will delve into React Hooks and Context, exploring useState, useRef, useEffect, and useMemo hooks, and managing global state with Context;
- Finally, you will set up your development environment, including configuring a code editor, setting up the project folder, using the terminal, and starting a React project.

Learn to build dynamic, interactive user interfaces with React. Understand core concepts like JSX, the virtual DOM, and reusable component-based architecture. Apply styling techniques using inline styles, external CSS, and CSS modules for scalable design. Manage state and side effects efficiently with React Hooks and share data across components using Context.

Gain an understanding of the core principles of React. You'll learn about JSX (JavaScript XML), building reusable UI components, and rendering elements. Additionally, you'll explore the importance of data collection and conditional rendering in React applications. By the end of this section, you'll have a solid foundation of React's essential concepts, setting you up for success in the more advanced topics covered in the following sections.

Explore the various methods of adding styles to the React applications. You will learn how to apply styles to individual components, use dynamic styles, and maintain a scalable and maintainable styling approach in your projects. 

Powerful features in modern React development. Hooks revolutionize how we write functional components, providing a concise and intuitive way to manage state and perform side effects. Conversely, Context allows us to share data through the component tree without prop drilling. Combining hooks and Context enables efficient state management and simplified data sharing in React applications.


Step-by-step guide on how to start a real-world React project. From setting up your development environment to understanding project organization and critical tools, you'll gain the knowledge and confidence to embark on your React journey.

What Is React and Why Use It?

What is React?

What you will learn in the course

Awesome!

What Is React and Why Use It?

What is React?

What you will learn in the course