Packt

React Fundamentals and Core Concepts

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Packt

React Fundamentals and Core Concepts

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Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

9 hours to complete
Flexible schedule
Learn at your own pace
Gain insight into a topic and learn the fundamentals.
Beginner level

Recommended experience

9 hours to complete
Flexible schedule
Learn at your own pace

What you'll learn

  • Build dynamic UIs using reusable React components and JSX efficiently.

  • Manage component state and handle events with hooks like useState and useRef.

  • Implement forms, controlled inputs, and persist data with global state and localStorage.

  • Apply React lifecycle methods and useEffect to manage side effects in projects.

Details to know

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Recently updated!

August 2026

Assessments

7 assignments

Taught in English

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This course is part of the Modern React From The Beginning Specialization
When you enroll in this course, you'll also be enrolled in this Specialization.
  • Learn new concepts from industry experts
  • Gain a foundational understanding of a subject or tool
  • Develop job-relevant skills with hands-on projects
  • Earn a shareable career certificate

There are 6 modules in this course

In this module, we will introduce you to React and set the stage for your learning journey. You will explore the architecture of React applications, understand component-based development, and compare React with plain JavaScript. Additionally, you will set up your development environment to start building React projects.

What's included

9 videos2 readings

In this module, we will refresh the essential JavaScript concepts needed for React development. You will explore modern syntax, conditional expressions, object/array handling, and asynchronous patterns. These concepts will provide a solid foundation for building robust React applications.

What's included

9 videos1 assignment

In this module, we will dive deep into the core React fundamentals. You will learn how to create and style components, manage state with hooks, handle events, and pass data using props. By the end, you will confidently build interactive and reusable UI components.

What's included

17 videos1 assignment

In this module, we will build a fully functional Notes App using forms and controlled components. You will learn to manage user input, store and display notes dynamically, and enhance the app with interactive features. The module emphasizes reusable components and practical React application patterns.

What's included

11 videos1 assignment

In this module, we will explore the lifecycle of React components and how to manage side effects. You will learn how class-based methods translate to functional hooks and implement persistent data handling. This knowledge ensures efficient and predictable component behavior.

What's included

5 videos1 assignment

In this module, we will focus on the useRef hook through a practical Timer project. You will learn to manage DOM elements, persist data across renders, and build interactive components. By completing challenges, you will strengthen your understanding of advanced component references.

What's included

7 videos1 reading3 assignments

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