React JS Handwritten Notes, Study notes of Computer science

A comprehensive guide to React, a declarative, efficient, and flexible JavaScript library for building user interfaces. It covers various topics such as React features, pros and cons, React vs Angular, React vs Vue, React components, React state, React props, and more. The document also explains how to create a React project using create-react-app and the various files that make up a React application. It highlights the advantages of React, such as its ease of use, good supply of documents and training resources, and improved performance due to virtual DOM. The document also discusses how React solves the problem of dealing with SEO and provides handy tools for developers to inspect React components.