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Re: Priming live regions

for

From: Jon Gunderson
Date: Nov 7, 2023 10:41AM

Mark,

You may also want to try using the role=status on the element, instead of
aria-live=polite attribute. Using the role attribute is sometimes more
reliable.
https://www.w3.org/TR/wai-aria/#status

Jon


On Mon, Nov 6, 2023 at 4:13 AM Mark Magennis < <EMAIL REMOVED> >
wrote:

> great info. Thanks Patrick
> > From: WebAIM-Forum < <EMAIL REMOVED> > on behalf of
> Patrick H. Lauke < <EMAIL REMOVED> >
> Sent: Monday 6 November 2023 09:18
> To: <EMAIL REMOVED> < <EMAIL REMOVED> >
> Subject: [EXTERNAL] Re: [WebAIM] Priming live regions
>
> I've generally found that as long as you have a short delay between
> dynamically generating a live region container, and actually populating
> it the first time (i.e. don't generate a fully-formed and populated
> aria-live="..." thing, but split it into a) generate the container first
> b) then put the message/content in after a few milliseconds), this also
> works fine in JAWS/NVDA/etc.
>
> The flakiness generally comes from the rather unpredictable timing
> involved in the browser/AT realising there's now a new live region that
> they need to keep watching for content changes, and the first message
> being actually added inside it.
>
> On 06/11/2023 08:58, Mark Magennis wrote:
> >
> > I'm finding that when a <span aria-live="polite"> is created dynamically
> it isn't being read by JAWS in Chrome but it is read by MacOS VoiceOver in
> Chrome. I've always believed that for aria-live to work the element has to
> exist in the DOM on page load, but this doesn't appear to be the case for
> VoiceOver which seems to be able to detect the addition.
> >
> > Now I'm wondering why JAWS doesn't do the same. Is it that it simply
> can't do this? Is there something to do with VoiceOver being more tightly
> integrated into MacOS that makes this possible and which can't be
> replicated in Windows screen readers?
>
>
> --
> Patrick H. Lauke
>
>
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