Book Image

The React Workshop

By : Brandon Richey, Ryan Yu, Endre Vegh, Theofanis Despoudis, Anton Punith, Florian Sloot
5 (1)
Book Image

The React Workshop

5 (1)
By: Brandon Richey, Ryan Yu, Endre Vegh, Theofanis Despoudis, Anton Punith, Florian Sloot

Overview of this book

Are you interested in how React takes command of the view layer for web and mobile apps and changes the data of large web applications without needing to reload the page? This workshop will help you learn how and show you how to develop and enhance web apps using the features of the React framework with interesting examples and exercises. The workshop starts by demonstrating how to create your first React project. You’ll tap into React’s popular feature JSX to develop templates and use DOM events to make your project interactive. Next, you’ll focus on the lifecycle of the React component and understand how components are created, mounted, unmounted, and destroyed. Later, you’ll create and customize components to understand the data flow in React and how props and state communicate between components. You’ll also use Formik to create forms in React to explore the concept of controlled and uncontrolled components and even play with React Router to navigate between React components. The chapters that follow will help you build an interesting image-search app to fetch data from the outside world and populate the data to the React app. Finally, you’ll understand what ref API is and how it is used to manipulate DOM in an imperative way. By the end of this React book, you’ll have the skills you need to set up and create web apps using React.
Table of Contents (20 chapters)
Preface

Introduction

In the previous chapter, we have built applications with relatively complex forms and all of that featured information that always got displayed; as in, there was no hidden data involved. In many applications, however, there tends to be portions of the app where the data is hidden and isn't loaded until you perform some action. You can do this in a few ways using other web development languages that are not typically the best choices. For example, you could hide elements on a web page with CSS using display:none; but then those sections would still show up if people viewed the source or overrode those CSS rules in your browser. Therefore, this would not be a great way to tackle the situation. Instead, we can rely on writing good JavaScript and React code to only display certain elements or components when it is appropriate, using conditional rendering.

In addition, you will frequently find yourself in a position where you need to display the same elements multiple...