This example runs Caridy's YUI 2 Wrapper Utility (part of the YUI 3 Gallery) and demonstrates how to pull in the YUI 2 TabView Control. The only script loaded on the page to begin with is the skinny YUI 3 seed file.
Thanks to Caridy, the use of YUI 2 modules within YUI 3 is now easier than ever.
View source to check out this simple implementation.
Tab One Content
Tab Two Content
Tab Three Content