Hi Ziran,
Does this implement any accessibility semantics? I believe Chrome
implements some default accessibility semantics for popover. I'm not sure
if these have been included in the spec yet, but I can find out from Chrome
accessibility folks.
The general idea here is to ensure that popover has at least a basic level
of accessibility exposure, even if an author failed to explicitly specify
semantics. Of course, the author *should* specify semantics, but history
dictates that many won't and we want to ensure users have reasonable access
regardless.
Thanks!
Jamie

On Thu, Nov 30, 2023 at 12:19 AM Ziran Sun <[email protected]> wrote:

> Hi all,
>
> As of Firefox 122, I intend to turn the Popover attribute on by default.
>
> It has been developed behind the dom.element.popover.enabled preference at
> https://bugzilla.mozilla.org/show_bug.cgi?id=1808823.
>
> Status in other browsers is:
> Chrome - supported since v114
> Safari - supported since Safari Technology Preview 166
>
> *Bug to turn on by default*: https://bugzilla.mozilla.org/show_bug.cgi?id=
> <https://bugzilla.mozilla.org/show_bug.cgi?id=1860446>1866993
> <https://bugzilla.mozilla.org/show_bug.cgi?id=1866993>
>
> Standard: https://html.spec.whatwg.org/#the-popover-attribute
>
> Many thanks,
>
> Ziran
>
>
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