Re: Clocks

I have not checked this out with a full set of screen readers but it appears
that JFW versions prior to 3.31 are a problem -
I suppose it could be considered 'flicker', but somehow I always think of
that as a graphics related condition. In this case it is a 'digital clock'
that is updated with JavaScript.
Marti

----- Original Message -----
From: "Charles McCathieNevile" <charles@w3.org>
To: "Marti" <marti@agassa.com>
Cc: "Web Content Accessibility Guidelines" <w3c-wai-gl@w3.org>
Sent: Friday, October 06, 2000 8:57 AM
Subject: Re: Clocks


> This actually is the reason for 7.1 "Until user agents allow users to
control
> flickering, avoid causing the screen to flicker".
>
> Some information about what screenreaders (or other software) have
problems
> with this would be good...
>
> Charles McCN
>
> On Fri, 6 Oct 2000, Marti wrote:
>
>   This probably falls under the current
>   "7.4 Until user agents provide the ability to stop the refresh, do not
>   create periodically auto-refreshing pages. "
>   But perhaps should be covered more specifically somewhere -
>   I recently encountered a web page that uses JavaScript to display a
clock
>   that updates continuously. For slightly older screen readers this draws
the
>   attention of the screen reader making it immpossible to get to the page
>   content.
>   Marti
>
>
>
> --
> Charles McCathieNevile    mailto:charles@w3.org    phone: +61 (0) 409 134
136
> W3C Web Accessibility Initiative
http://www.w3.org/WAI
> Location: I-cubed, 110 Victoria Street, Carlton VIC 3053, Australia
> September - November 2000:
> W3C INRIA, 2004 Route des Lucioles, BP 93, 06902 Sophia Antipolis Cedex,
France
>
>

Received on Friday, 6 October 2000 09:58:12 UTC