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Peter Kellner

This course will teach you what React is and help you understand why React is the number one JavaScript library for building JavaScript apps in a browser.

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This course will teach you what React is and help you understand why React is the number one JavaScript library for building JavaScript apps in a browser.

React is the number one JavaScript library for building JavaScript apps in a browser. In this course, What Is React?, you’ll learn all about the component-based nature of React and how that translates into highly performant and easy to use web applications. First, you’ll explore the nature of React and how it addresses building component-based web apps. Next, you’ll discover how React is based on a virtual DOM that efficiently maintains an application's user interface to mirror that virtual DOM. Finally, you’ll learn how React uses the powerful JSX syntax to represent components and the actual UI of a running web app. When you’re finished with this course, you’ll have an excellent understanding of why React is the most popular JavaScript library for building web apps, as well as what it takes to build a React app.

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What's inside

Syllabus

Course Overview
Introduction to React
React Architecture Explained
How React Works with the Browser
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Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Develops an understanding of component-based architecture, a foundational concept in React development
Explores the role of the virtual DOM in maintaining the UI of React applications, a core principle of React technology
Familiarizes learners with the JSX syntax, a React-specific syntax that enhances the readability and maintainability of React components
Taught by Peter Kellner, an experienced instructor who is recognized for their work in React development

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in What Is React? with these activities:
Organize course notes and assignments
Improve your ability to retain and retrieve information by organizing your course notes, assignments, and other materials in a systematic way, making it easier to review and reinforce your understanding of the course content.
Show steps
  • Gather all course-related materials
  • Sort and categorize materials into relevant sections
  • Create a system for storing and accessing materials
Review JavaScript basics
Strengthen your foundation by reviewing JavaScript basics, ensuring that you have a clear understanding of the core concepts and syntax before delving into React, which builds upon these fundamentals.
Show steps
  • Review online resources or tutorials on JavaScript basics
  • Practice writing simple JavaScript programs
  • Test your understanding through online quizzes or coding challenges
Read 'React: Up and Running' by Stoyan Stefanov
Complement your course learning by reading 'React: Up and Running', a comprehensive resource that covers key React concepts and best practices, providing you with a deeper understanding of the framework and its applications.
View React: Up & Running on Amazon
Show steps
  • Acquire a copy of 'React: Up and Running'
  • Read the book thoroughly
  • Take notes and highlight important sections
Four other activities
Expand to see all activities and additional details
Show all seven activities
Follow tutorial on React architecture
Reinforce your understanding of React's component-based architecture through a guided tutorial, improving your ability to create modular and reusable UI components.
Show steps
  • Identify a suitable tutorial on React architecture
  • Follow the tutorial step-by-step
  • Build a simple React application using the architecture concepts learned
Attend a React study group
Enhance your learning through peer interaction by attending a React study group where you can discuss concepts, share knowledge, and collaboratively solve problems, fostering a supportive environment for knowledge acquisition.
Show steps
  • Find or join a React study group
  • Participate in group discussions and activities
  • Share your knowledge and assist other members
Solve React coding challenges
Enhance your React problem-solving skills by attempting coding challenges specifically designed for React, allowing you to test your understanding of the language's nuances and refine your ability to write efficient and effective React code.
Browse courses on Problem-Solving
Show steps
  • Identify online platforms or resources that offer React coding challenges
  • Select a challenge that aligns with your skill level
  • Solve the challenge using React concepts and best practices
  • Review your solution and identify areas for improvement
Build a small React application
Apply your React knowledge and skills by building a small-scale application, allowing you to test your understanding in a practical setting and gain valuable experience in developing real-world React applications.
Browse courses on Project-Based Learning
Show steps
  • Define the scope and requirements of your React application
  • Design the application's architecture and components
  • Implement the React application functionality
  • Test and debug the application
  • Deploy and host the application

Career center

Learners who complete What Is React? will develop knowledge and skills that may be useful to these careers:
JavaScript Developer
JavaScript Developers are responsible for developing and maintaining JavaScript code. This course, What Is React?, can help you build a strong foundation in React, which is one of the most popular JavaScript libraries for building web applications. React is known for its component-based architecture, which makes it easy to create and maintain complex web applications. This course will teach you the basics of React, including how to create components, how to use the virtual DOM, and how to use JSX to represent components. By the end of this course, you will have a solid understanding of React and be able to use it to build your own web applications.
Front-End Developer
Front-End Developers are responsible for the design and development of the user interface of a website or web application. This course, What Is React?, can help you build a strong foundation in React, which is one of the most popular JavaScript libraries for building web applications. React is known for its component-based architecture, which makes it easy to create and maintain complex web applications. This course will teach you the basics of React, including how to create components, how to use the virtual DOM, and how to use JSX to represent components. By the end of this course, you will have a solid understanding of React and be able to use it to build your own web applications.
Web Developer
Web Developers are responsible for designing and developing websites and web applications. This course, What Is React?, can help you build a strong foundation in React, which is one of the most popular JavaScript libraries for building web applications. React is known for its component-based architecture, which makes it easy to create and maintain complex web applications. This course will teach you the basics of React, including how to create components, how to use the virtual DOM, and how to use JSX to represent components. By the end of this course, you will have a solid understanding of React and be able to use it to build your own web applications.
Software Engineer
Software Engineers design, develop, test, and maintain software systems. This course, What Is React?, can help you build a strong foundation in React, which is one of the most popular JavaScript libraries for building web applications. React is known for its component-based architecture, which makes it easy to create and maintain complex web applications. This course will teach you the basics of React, including how to create components, how to use the virtual DOM, and how to use JSX to represent components. By the end of this course, you will have a solid understanding of React and be able to use it to build your own web applications.
Full-Stack Developer
Full-Stack Developers are responsible for both the front-end and back-end development of a web application. This course, What Is React?, can help you build a strong foundation in React, which is one of the most popular JavaScript libraries for building web applications. React is known for its component-based architecture, which makes it easy to create and maintain complex web applications. This course will teach you the basics of React, including how to create components, how to use the virtual DOM, and how to use JSX to represent components. By the end of this course, you will have a solid understanding of React and be able to use it to build your own web applications.
Computer Scientist
Computer Scientists are responsible for the theory and design of computer systems. This course, What Is React?, may be useful for Computer Scientists who are interested in learning more about React, which is one of the most popular JavaScript libraries for building web applications.
Data Scientist
Data Scientists are responsible for collecting, analyzing, and interpreting data. This course, What Is React?, may be useful for Data Scientists who are interested in using React to build data visualizations or other interactive web applications.
Machine Learning Engineer
Machine Learning Engineers are responsible for developing and deploying machine learning models. This course, What Is React?, may be useful for Machine Learning Engineers who are interested in using React to build user interfaces for their machine learning models.
Designer
Designers are responsible for the visual design of websites and web applications. This course, What Is React?, may be helpful for Designers who are interested in understanding the technical aspects of web development.
Product Manager
Product Managers are responsible for managing the development and launch of new products. This course, What Is React?, may be helpful for Product Managers who are interested in understanding the technical aspects of web development.
Technical Writer
Technical Writers are responsible for writing documentation for software products. This course, What Is React?, may be helpful for Technical Writers who are interested in understanding the technical aspects of web development.
Quality Assurance Analyst
Quality Assurance Analysts are responsible for testing and ensuring the quality of software products. This course, What Is React?, may be helpful for Quality Assurance Analysts who are interested in understanding the technical aspects of web development.
Salesperson
Salespeople are responsible for selling products and services. This course, What Is React?, may be helpful for Salespeople who are interested in understanding the technical aspects of web development.
Marketing Specialist
Marketing Specialists are responsible for developing and executing marketing campaigns. This course, What Is React?, may be helpful for Marketing Specialists who are interested in understanding the technical aspects of web development.
Project Manager
Project Managers are responsible for planning and executing projects. This course, What Is React?, may be helpful for Project Managers who are interested in understanding the technical aspects of web development.

Reading list

We've selected eight books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in What Is React?.
Provides a comprehensive guide to building full-stack React applications. It covers the fundamentals of React and its ecosystem, as well as advanced topics such as server-side rendering and data fetching.
Provides a comprehensive overview of React, covering the fundamentals of the library and its ecosystem. It is particularly useful for beginners who want to get started with React and build their first web applications.
Provides a practical guide to building React applications. It's a good choice for beginners who want to get started quickly with React.
Provides a practical and beginner-friendly introduction to React. It covers the core concepts of the library and includes hands-on exercises to help you learn how to build React applications.
Covers the best practices and design patterns for building React applications. It provides guidance on how to write maintainable, scalable, and performant React code.
Provides a comprehensive and beginner-friendly guide to React. It covers the fundamentals of the library, as well as advanced topics such as state management, routing, and testing.
Provides a comprehensive reference for React. It's a good choice for developers who want to learn more about React and its features.

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