React is an open-source, front end, JavaScript library for building user interfaces or UI components. It is maintained by Facebook and a community of individual developers and companies. React can be used as a base in the development of single-page or mobile applications. I have designed this class to teach you the basics of reactJS so you can develop the website design you want. ReactJS is becoming a famous library among developers, so by becoming an expert in it, you will have a competitive advantage. Whether you already know a programming language or not, this class is tailored towards your needs.