Introduction to Accessibility API

An accessibility API represents objects in a user interface, exposing information about each object within the application.

This presentation will explain how assistive technologies present a web application to make it accessible for their users and where they get the information they need.


  • Early Days
  • Introduction A11Y API's
  • Browsers VS A11Y APIs
  • Accessibility Tree VS DOM
  • Role, State, Value
  • Operating System VS Browser
  • WAI-ARIA and A11Y APIs
  • See the Tree and APIs yourself



None documented