YUI recommends YUI3.
YUI 2 has been deprecated since 2011. This site acts as an archive for files and documentation.
This documentation is no longer maintained.
The Get Utility provides a convenient API for appending script nodes and CSS files to an existing DOM. This can be useful when loading functionality on-demand; it's also useful when retrieving JSON data feeds across trusted but non-identical domains.
All YUI 2.x users should review the YUI 2.8.2 security bulletin, which discusses a vulnerability present in YUI 2.4.0-2.8.1.
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