Book Image

React Key Concepts

By : Maximilian Schwarzmüller
Book Image

React Key Concepts

By: Maximilian Schwarzmüller

Overview of this book

As the most popular JavaScript library for building modern, interactive user interfaces, React is an in-demand framework that’ll bring real value to your career or next project. But like any technology, learning React can be tricky, and finding the right teacher can make things a whole lot easier. Maximilian Schwarzmüller is a bestselling instructor who has helped over two million students worldwide learn how to code, and his latest React video course (React — The Complete Guide) has over six hundred thousand students on Udemy. Max has written this quick-start reference to help you get to grips with the world of React programming. Simple explanations, relevant examples, and a clear, concise approach make this fast-paced guide the ideal resource for busy developers. This book distills the core concepts of React and draws together its key features with neat summaries, thus perfectly complementing other in-depth teaching resources. So, whether you've just finished Max’s React video course and are looking for a handy reference tool, or you've been using a variety of other learning materials and now need a single study guide to bring everything together, this is the ideal companion to support you through your next React projects. Plus, it's fully up to date for React 18, so you can be sure you’re ready to go with the latest version.
Table of Contents (16 chapters)

13. Managing Data with React Router

Activity 13.1: A To-Dos App


Perform the following steps to complete this activity:

  1. Create a new React project via npx create-react-app as explained in Chapter 1, React—What and Why?. Then, install the React Router library by running npm install react-router-dom inside the project folder. Check the package.json file to confirm that you have at least version 6.4 of the react-router-dom package installed.
  2. For the three required pages, create three components: a Todos component, a NewTodo component, and a SelectedTodo component. Store these components in files inside the src/routes folder since these components will only be used for routing.
  3. For the Todos component, enter the following code:
    // src/routes/Todos.js
    function Todos() {
      const todos = [];
      let content = (
          <h1>No todos found</h1>