- From: Gez Lemon <gez.lemon@gmail.com>
- Date: Tue, 22 May 2007 16:10:30 +0100
- To: unagi69@concentric.net
- Cc: "Gregory J. Rosmaita" <oedipus@hicom.net>, wai-xtech@w3.org, wai-liaison@w3.org
Hi Gregory, > one thing has been bothering me about the content and intent of the > amazon pointer to a quote screen reader unquote friendly page with > quote similar content unquote as the main site, is that i never heard > the message intended for my AT while using a screen-reader in a GUI > environment -- only Lynx displayed what was hidden not only from > CSS-capable browsers, but from half of the target audience -- those > using screen readers... > > Developers' Poll: Support for overflow:hidden - is it in the DOM? overflow: hidden is well supported by modern browsers. The content must be in the DOM for the CSS property to be applied. If you're not hearing things with your AT that you are aware is available in a user agent that doesn't support CSS, then I suspect the content is being hidden using display: none. The overflow: hidden is part of a technique that positions content outside the viewport - the content to be hidden is usually placed in a containing block with a fixed with and height, positioned outside of the viewport, and the overflow: hidden part is to ensure that the content doesn't bleed into the viewport if the text is particularly long, or the font-size is particularly large. The technique will typically include setting the following CSS properties on the block: position: absolute; left: -999em; width: 1em; top: 1em; overflow: hidden; This technique can be useful for providing context where the context is typically provided by the visual layout, but requires developers to be mindful about not creating content that is overly verbose, or it quickly becomes redundant noise. The technique works well, but content hidden with display: none will also hide the content from AT - this might be what you are experiencing. Best regards, Gez -- _____________________________ Supplement your vitamins http://juicystudio.com
Received on Tuesday, 22 May 2007 15:10:41 UTC