July 3, 2020 — Testing gives confidence in written code. In the context of this article, ‘testing’ means ‘automated testing’. Without automated testing, it is significantly harder to ensure the quality of a web application of significant complexity. Fails caused by automated testing may … Read More…

June 29, 2020 — In this tutorial, we’ll learn how to work with Firebase push notifications in the backend and frontend. We’ll set up the notifications system with an Express back-end server. Afterwards, we’ll listen for the notifications in a React front-end app. Read More…

June 24, 2020 — Building a well-functioning application requires good testing; otherwise, knowing whether your application works as expected would be a matter of guesswork and luck. Jest is one of the best tools available for testing React applications. In this article, you will learn … Read More…

June 22, 2020 — In this article, we’ll be looking at a new way of retrieving data in React Apps named SWR. This is a set of hooks for remote data fetching that makes things easier, such as caching, pagination, and so on. Read More…

June 16, 2020 — When working with React, we maintain a lot of state. To make updates to our state, we need to write a lot of reducers. In this article, we’re going to learn how to use Immer to write reducers, and more. Read More…

June 11, 2020 — In this article, we will build a facial recognition web app with the help of React and the Face Recognition API, and cover the Face Detection model and Predict API. Read More…

June 8, 2020 — In this tutorial, we are going to learn about higher-order components, the syntax of higher-order components, as well as use cases for them. In the process, we will build a higher-order component from an existing React component. Read More…

June 3, 2020 — If you’re a React developer who’d like to learn how you can start consuming APIs in your React applications, then this article is for you. Shedrack Akintayo explains what a REST API is and how to build a simple application that consumes a REST API by using both Fetch API and … Read More…

June 1, 2020 — In this article, we’ll explore the concept of error boundaries in a React application. We’ll work through an example app to see how we can use error boundaries to deliver a better app experience. Finally, we’ll integrate Sentry into our error boundary for realtime error … Read More…