React js app maker is a JavaScript library for building reusable UI components. It's a mobile app platform designed for performance and productivity. The benefits of react js are one-way data flow, easy component lifecycle methods, declarative components and more.
React js app is a front end (UI) library that facilitate the creation of rich internet application(RIA). React.js gives way to create interactive,stateful and reusable UI components. React is a tool for building UI components.
It is designed with JavaScript, HTML5, and CSS. It encourages the creation of reusable UI components, which present data that changes over time.