Now, here’s where the special nature of React comes in. Besides normal HTML, CSS, and JavaScript, the bulk of your React code will be written in JSX.

The React project originated at Facebook; the open source project has a BSD license and a patent rights grant from Facebook. React is not an end-to-end JavaScript application framework.

Built on Node.js, it enables developers to create complex workflows through an intuitive, browser-based editor. Let’s dive into what Node-RED is, why it’s useful, and how to start using it.