JSX is described as the JavaScript extension and stands for JavaScript XML, which gets translated as JavaScript at runtime. What JSX essentially does is that it helps you to write HTML codes directly inside JavaScript, in React. You could make changes faster in HTML all by sitting inside React. If you wish to learn React JS and want to get certified, then check out the React certification course from Intellipaat, which offers you with dedicated instructor-led training course along with guided projects which will help you in making your practical skills sharper, which is a key in cracking any technical interview. Watch our YouTube video on React Tutorial for Beginners [ReactJS].