JavaScript frameworks are becoming more popular for building rich clients. Java EE is well-positioned as a backend for JavaScript rich clients, providing capabilities like JAX-RS for REST, the Java API for WebSocket, and JSON processing. The document presents an architecture with the client handling UI rendering and basic logic and the server managing business logic, data, and communication via REST, WebSocket, and server-sent events. It provides a demo on GitHub showing how Java EE can integrate with JavaScript frameworks.