You've written this awesome custom hook that uses context. How do you test the hook? Learn to mock useContext value with Jest. (more…)

React.Component · render() · componentDidMount() · props/state · dangerouslySetInnerHTML · React is a JavaScript library for building user interfaces. This guide targets React v15 to v16. (more…)

What makes UI elegant, sexy and beautiful? Design is the first thing that pops up in mind. The modern web has a long way to go! It’s time… (more…)

The introduction of Hooks into React 16.8 changed the way that people thought abo... (more…)

In late 2018, we decided to add first-class support for React Native in Heap. This meant bringing Heap’s autocapture philosophy to the React Native platform: installing Heap on a React Native app should mean that all user interactions with the app are cap... (more…)