• Tooltip Manager
• Tooltip Manager
• Loading Mask
• Accordion Manager

• YUI Widget: Loading Mask - Documentation
• YUI Widget: Loading Mask - Examples

Bubbling full API based on YUIDocs
Finally I got some time to review all the comments in the source code to generate the full API documentation based on YUI Docs, check the new documentation here. (new)

Accordion implementation to YUI 3.x
I spent some time creating a new plugin for YUI 3.x to implement the accordion features. Hopefully, this new plugin will be included within YUI 3.1 amoung other widgets and plugins. (hot)
- YUI3 Fork in github
- Check a preliminar example here

Accordions - These examples will show you how to create the correct HTML's markup and the CSS's rules to create expandable and collapsible areas.(hot)

Loading Mask - See how to use the "Loading Mask" in an overloaded webpage to avoid the quirks during the loading and displaying process.(hot)

- Other examples

• on GitHub
• on Twitter
• YUI Blog
• YUI Forums

Using the YUI TabView Control with the Dispatcher Plugin
YUI Dispatcher Plugin and how to use it along with the YUI TabView to load on-demand content using the YUI Connection Manager.

The Bubbling Technique & Custom Event, YUI’s Secret Weapon
In this article I’ll share my experiences in the event-driven programming within the web browser and show how the Bubbling Library, combined with YUI’s Custom Event capabilities, can create an unobtrusive behavioral layer suitable for powerful web applications.

Event-Driven Web Application Design
I recommend you to read carefully the Christian Heilmann's paper, where he wrote about how to plan an Event-Driven application, and how this technique will become the future of the web application as a result of an evolutive process.

A JavaScript Module Pattern
Eric Miraglia's detailed explanation of how to use the closures and specifically the module pattern (singlenton) as a flexible and multi-funcional structure...

Yahoo! UI Library (YUI)
YUI Official Website at the Yahoo! Developer Network.

YUI Official Forum
Get help and share your knowledge thru the YUI Official Forum.