- React change inline css conditionally based on component state. Quick Start Welcome to the React documentation! This page will give you an introduction to 80% of the React concepts that you will use on a daily basis. . React is designed to let you seamlessly combine components written by independent people, teams, and organizations. React is the library for web and native user interfaces. If your app has constraints not well-served by existing frameworks, you prefer to build your own framework, or you just want to learn the basics of a React app, you can build a React app from scratch. Your reducer will calculate and return the next state. Learn how to install it here. Components are one of the core concepts of React. If you want to build your own solutions, see our guide to build a React app from Scratch for instructions on how to set up a new React project starting with a build tool like Vite, Parcel, or RSbuild. React is the library for web and native user interfaces. 5dkj2lw yaji vhk rjfig 43j wei nq6jn 0gwr8zta 8gamm9k cq
