React Native is Facebook's open source project for building native mobile apps using JavaScript. Rather than wrapping a web view and pretending to be a mobile app, React Native allows developers ...

Beyond the usual quick tips, let's look at both the business case and the technical side of keeping React bundles lean.

Facebook found that initial principles of React Native—serving as a single asynchronous, serializable, and batched bridge between JavaScript and native apps—made it harder to build features.

React Native allows developers to build cross-platform apps for iOS, Android, and the Web from a single JavaScript codebase.