Widget Summit: Advanced JavaScript

Why JavaScript is special? - Downloading / running source code in the browser - Downloading / running JS blocks the browser - Code from different domains executing together - Extremely open, flexible, dynamic language. Firebug: A web hacker’s best friend - DOM inspector, CSS tweaker, profiler, and more! Secrets to high-performance widgets - Write less code - Draw HTML efficiently - Yield early and often - Profile like crazy. [via]

http://static.widgetsummit.com/pdf/presentati...