Classes Are Premature Optimization
Justin Love discusses the difference between the classic OOP programming model based on classes and prototypal inheritance built on objects as done in JavaScript, and how they affect performance.
Justin Love discusses the difference between the classic OOP programming model based on classes and prototypal inheritance built on objects as done in JavaScript, and how they affect performance.
Simon Brown, a developer, architect and author, considers that it takes a lot more than just good code to create a successful project. In his presentation, "Good Code Isn’t Enough", Brown goes through all the elements necessary for a project’s success, from upfront design to operation documentation.
With Ajax dominating the Web development scene on the client-side, the question “which JavaScript/Ajax framework is the best” has become a common one. Glenn Vanderburg’s article which compares Prototype to jQuery caused diverse responses from industry experts Douglas Crockford and Dion Almaer.
Jakob Nielsen, usability guru and author of Usability Engineering, raises the concern that Agile methods are a threat to traditional approaches to designing usability. He goes on to propose solutions so that usability designers can work together in the Agile world. In addition Alistair Cockburn, while generally supporting Jakob, takes issue with a few of his points.

In this virtual panel the creators and core developers of Dojo, YUI, Prototype, script.aculo.us, MooTools and GWT talk about the evolution of JavaScript for the new API's that are exposed with HTML 5. These API's deal with 2D drawing, drag & drop, history, media, client-side persistent storage, server-sent events and more.

All good developers use some kind of prototyping as a communication channel to customers. Simon Guest of Microsoft introduces a new technology from Microsoft, SketchFlow, and shows how it could be useful to developers as well as the primary audience of designers. The discussion covers coverage (WPF and Silverlight), functionality, workflow, prototyping, and documentation.
Script.aculo.us creator Thomas Fuchs gives an overview about the concepts and functionality of both Prototype and the script.aculo.us libraries, provides advice on what and what not to expect and gives pointers and hints on how to get started.

In this interview Ajaxian cofounder Dion Almaer talks about the state of Ajax development today. Among the items he discusses are the history of how Ajax came to be, which frameworks he recommends developers consider, and tooling/debuggins support. Almaer also talks about security and general design considerations that need to be respected when creating Ajax enabled applications.

Thomas Fuchs, author of the massively popular Scriptaculous JavaScript library and Michael Buffington, well-known Rails programmer and author of the surprise hit online-game Unroll (llor.nu) have a casual conversation with Obie Fernandez about the power of mixing JavaScript with Ruby on Rails and smart development.