Hello again! Did you ever try to display data from a remote backend in your React app? In the third part of this article series, you will learn how to fetch data from a REST API and use it inside your app.
Today we’re going to create a React list component, that renders a list of Contact components. You’ll learn how to create functional stateless components and how to pass props from a parent component.
Setting up a React app can be confusing, since you have to take care of a lot of stuff that you don’t want to think about—at least at the beginning of your React journey. Fortunately there is a tool called create-react-app that is a neat shortcut. It allows you to start developing right away without having to worry about stuff like webpack and/or babel.
React beginners often have a hard time learning React, since the React ecosystem seems huge. You will inevitably stumble upon stuff like Redux, Webpack or Babel very early. At this point I was so overwhelmed because I had no clue where to start first.
It was even more confusing that I didn’t even know the problems that those tools tried to solve. Today I know better and I’m going to tell you that there is no need for any of these – at least not yet.
Functional components are simpler and easier to test in comparison to class components. However, both of them have pros and cons and today you’ll learn the differences and when to use which type of components.
React PropTypes are a good way to help you catching bugs by validating data types of values passed through props. They also offer possibilities to flag props as mandatory or set default values. They provide a great benefit with little effort.
React lifecycle methods can be confusing if you don’t know which one to use for your particular use case. Today I’m going to show you, which lifecycle methods exist, and how to use them correctly.