W3C ARIA Authoring Practices 1.2 for Developers and Evaluators

Mark McCarthy, M.S., CPWA

Quality Assurance Accessibility Engineer

Administrative Information Technology Services


Jon Gunderson, Ph.D., CPWA

Coordinator of Accessible IT Group

Division of Disability Resources and Educational Services


Explore with Hadi


June 9th, 2020



  1. Overview
  2. Describing Semantics and Behavior
  3. Standardize Information Provided to Accessibility APIs
  4. ARIA Contract with Browsers and Assistive Technologies
  5. Accessible Name Calculation
  6. Accessible Description Calculation
  7. New features in ARIA 1.2
  8. HTML harmonization
  9. ARIA 1.2 Combobox Design Pattern
  10. Accessible Object Model (AOM): Setting Roles, Properties and States
  11. Accessible Object Model (AOM): Getting Values
  12. Accessible Object Model (AOM): Test Page
  13. Accessible Object Model (AOM): Gotchas
  14. Carousel Design Pattern and Examples
  15. Combobox Design Pattern and Examples
  16. W3C ARIA Assistive Technology Project Community Group
  17. Prototype of ARIA-AT Test Harness and Test Cases
  18. Questions and Discussion