Facebook has completely rewritten React, its popular JavaScript library for building user interfaces. The company hasn't previously talked about React Fiber, as the project is called, but it has ...

React also teaches implementers some positive development practices. Its nature forces you to isolate UI component functionality and build small pieces of the interface that do only one thing well.

Learn effective React performance optimization techniques to improve app speed, reduce re-renders, and enhance user experience.

Instagram, the popular image-sharing social network owned by Facebook Inc., got rid of its vintage camera logo and redesigned its mobile apps with a simpler, whiter user interface.