React.js Fundamentals is a free course, offered along with another course (ES6/7 for React, $45) and some upcoming paid courses in McGinnis' React.js Program. The Learn React.js: The Basics course ...

React, also known as ReactJS, is an open source JavaScript library for building user interfaces, often for single-page applications or to add interactive views to existing web applications built ...

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.

Mastering TypeScript: Second Edition Designed to help developers familiar with JavaScript get the most out of TypeScript, this course from Udemy teaches users how to work with the more advanced ...