How to bind the selection state of a button

Question

I am trying to bind the selection state of button (selected or not selected) with aria-pressed or aria-checked property. But in none of the case sreen reader is announcing the value. I tried like:

 1. data-bind="attr:{'aria-checked': knockoutBooleanVar()}", role = "button"
 2. data-bind="attr:{'aria-pressed': knockoutBooleanVar()}", role = "button"

How can I achieve the screen reader announcing a selection state for the button?

medeaoblongata · Accepted Answer · 2018-05-31 12:33:41Z

0

The screenreader will only announce what is in focus, or what is in aria-live regions. If the button is not in focus, the state will not be announced by the screenreader.

You might consider setting up a (small) aria-live region for announcing state changes to controls which are not in focus. This may be useful for giving feedback about input validity or whatever.

answered May 31, 2018 at 12:33

medeaoblongata

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