YUI recommends YUI 3.
YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.
This example points to Yahoo! Search Web Services. Custom CSS rules have been applied to achieve the shrink-wrapped, centered search module.
Implementers who are working with data from third-party sources, user input data, or otherwise untrustworthy sources should be sure to read the Security Considerations section of the AutoComplete user guide.