Matthew’s diverse background encompasses full-stack development (Java, JVM languages such as Kotlin, JavaScript, Python, .NET), front-end development (Angular, React, Vue, Svelte) and back-end ...

Learn the key concepts behind React and how to use JSX elements and components to build lean and fast web front ends React, also known as ReactJS, is an open source JavaScript library for building ...

Facebook’s React project is an open source library that allows developers to quickly build apps and their user interfaces in JavaScript. But that’s a bit of an understatement, because besides ...

Meta is transferring its popular open-source JavaScript testing framework, Jest, to the OpenJS Foundation. Jest is one of Meta's top open-source projects and has proven a popular tool for testing ...