Too Long; Didn't Read
Facebook’s React Native is an open-sourced JavaScript library founded by Facebook in 2013. The open-source library allows developers to create a single JavaScript codebase that works for different platforms like iOS, Android & Windows. Reusable code and building blocks: Being a cross-platform framework, it lets developers use code for the app across different platforms, saving time and energy. Cross-platform development is growing and estimated to generate $80.45 billion in the year 2020. For businesses, it's a cost-effective choice. Also, for companies that already have web apps written in React.