This document discusses techniques for developing responsive user interfaces for Uniface applications. It begins with a recap of coding dynamic server pages (DSPs) using JavaScript and a comparison of ProcScript and JavaScript operations. It then covers topics like activating operations, promises, scoping, HTML5 widgets, validation, CSS classes, tabs, modality, navigation, icons, data paging, security, and code performance. The document concludes with a walkthrough of a demo WebStart application and resources for further information.