* Simplifies web application development * Outlines valuable online resources * Teaches Node.js from the ground up Node.js is an elegant server-side JavaScript development environment perfect for scalable, high-performance web applications. Node allows developers to access HTTP and general TCP/IP functionality using a minimalist server-side JavaScript interface. Node.js in Action is an example-driven tutorial that starts at square one and goes through all the features, techniques, and concepts needed to build production-quality Node applications. First it shows how to set up a Node development environment and the community-created extensions. Then it runs through some simple demonstration programs and introduces asynchronous programming, a requirement for real-time applications such as chat, online games, and live statistics. It also shows how to create serious web applications using NodeUPSILON s HTTP API and introduces community frameworks that make web development easier and faster.