Mark Pilgrim details how to detect every HTML5 feature in browsers using JavaScript object detection. Covers every element, and its facets, for example not just whether the audio element is supported, but whether it supports MP3 too. Also covers features like local storage, Web Sockets, Web Workers, and user interface enhancements of the HTML5 specification
Douglas Crockford's presentation on Advanced JavaScript. He covers topics such as inheritance, modules, debugging, efficiency and JSON.
First in a series of talks from Douglas Crockford about the JavaScript language. These talks cover the JavaScript language, from the history, the language, advanced features, platforms, standards and programming style. Talks about inheritance, using functions to build objects, closures, as well as the basic JavaScript syntax. Also covers code conventions. JavaScript is a language that requires discipline.