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A complete guide to React Router: Everything you need to know

It’s probably no surprise to you that React Router is the most popular 3rd party library in the React ecosystem. In fact, during the last 6 months, React Router has been included in 44% of all React projects. This statistic alone is enough to declare React Router as essential knowledge for any serious React developer.

A Visual Guide to React Rendering Sandbox

Code Sandbox that you can use as an interactive companion to the articles.

React component testing

React Testing Library and Jest are provided out-of-the-box support with create-react-app and we do not need to install them separately. React Testing Library (RTL) is built on top of the DOM testing library, as in the tests will work with the actual DOM. This allows the tests to simulate the ways that users will interact with DOM, as closer as possible. It is super easy to use, provides an array of assertion methods (extended from Jest), user-events simulation and etc.

Top 15 ideas for React apps that web devs can build in 2022

The best way to learn ReactJS is certainly through direct practice. If you’re convinced that ideas that have not been executed cost anything, then feel free to browse our list of React app ideas and finally put them to the test.

Building a Scrollspy and more using React and IntersectionObserver API

An IntersectionObserver is a utility in the native browser APIs which lets us check whether an element has intersected the viewport or any other ancestor.