dai11y 26/11/2019

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Playing with state

  • Article by Sarah Higley, exploring how best to denote the state of a Play/Pause video button for screen reader users. Most ‘toggle buttons’ for a binary state should have an aria-pressed attribute with value “on” or “off”; screen readers communicate this ‘state change’ more quickly than a change in property (such as aria-label). Sarah argues that the play/pause button, however, is the exception to the rule and should only change the aria-label (from “Play” to “Pause”), as changes in state don’t make sense in this context (“play button off”). Most importantly, avoid changing both or you’ll confuse your users (“play button, on” vs “pause button, off”).

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