Aria-orientation property

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  • aria-orientation can be used on
    • scrollbar
    • separator
    • slider
    • tablist
    • toolbar
    • combobox
    • listbox
    • menu
    • menubar
    • radiogroup
    • tree
    • treegrid
  • default value is undefined for all roles with specifics for certain roles
    • slider is horizontal by default
    • scrollbar is vertical by default.
  • slider is non-functional

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Assistive Technology Support

  • iOS does not announce horizontal or vertical orientation.
  • JAWS 18 (Tested with Firefox)announces accessible name followed by "left right slider".
  • NVDA 2017.2 (tested with Firefox) does not announce the orientation