Announcing XHP-JS: Building efficient user interface components with Hack, React, and XHPAnnouncing XHP-JS: Building efficient user interface components with Hack, React, and XHP As Facebook has grown, there have been three major classes of issues for our UI code: Server-side efficiency: HTTP responses should be quick and easy to compute. Client-side efficiency: Anything computed inside the web browser still needs to be fast so we don’t harm perceived load time or battery life. Develo
