YUI recommends YUI 3.

YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.

Screenreader Accessibility

This AutoComplete example demonstrates how to make the widget more screenreader accessible.

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.