With ARIA, we can make complex custom controls and dynamic scripted content accessible. These pages provides resources, tools and support for authoring with ARIA.
Aria Examples: These pages are ARIA widgets, that are simple to use and follow.
Other documents include our testing guide and our roles requirement for author. For the official requirements for roles for WAI-ARIA (see http://www.w3.org/TR/2011/CR-wai-aria-20110118/roles).
ARIA Tests pages and sins: What not to do with widgets....
These tests are are great for testing tools or testing your debugging skills.
Samples are often taken from other sources and errors are inserted.
Original pages include: http://test.cita.illinois.edu/aria/index.php and http://www.oaa-accessibility.org/examples/
Patterns are taken from http://www.w3.org/TR/wai-aria-practices.