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13 results for "longDesc":
HTMLImageElement.longDesc - Web APIs
WebAPIHTMLImageElementlongDesc
the obsolete property longdesc on the htmlimageelement interface specifies the url of a text or html file which contains a long-form description of the image.
... syntax descurl = htmlimageelement.longdesc; htmlimageelement.longdesc = descurl; value a domstring which may be either an empty string (indicating that no long description is available) or the url of a file containing a long form description of the image's contents.
...the longdesc property could be used to provide an explanation of the flow of control represented by the chart, using only text.
...And 4 more matches
Mozilla’s UAAG evaluation report
MozillaAccessibilityUAAG evaluation report
title for *any* element: rendered as tooltip longdesc for img element: in context menu - properties content of object element: ?
... longdesc for frame: not supported, see bug 3658 noframe for frame: must use user style sheets to render this.
...(p3) g alt for img: rendered when images turned off title for *any* element: rendered as tooltip longdesc for img element: in context menu - properties content of object element: ?
...And 2 more matches
How can we design for all types of users? - Learn web development
LearnCommon questionsDesign for all types of users
if the image cannot be described succinctly, you will have to either provide the same content in another form in the same page (e.g., complement a pie chart with a table providing the same data), or resort to a longdesc attribute.
... note: the use and even the existence of longdesc has been debated for quite some time.
... please refer to the w3c's image description extension (longdesc) for the full explanation and thorough examples.
HTML: A good basis for accessibility - Learn web development
LearnAccessibilityHTML
for example, there is a longdesc attribute that is meant to point to a separate web document containing an extended description of the image, for example: <img src="dinosaur.png" longdesc="dino-info.html"> this sounds like a good idea, especially for infographics like big charts with lots of information on them that could perhaps be represented as an accessible data table instead (see accessible data tables).
... however, longdesc is not supported consistently by screen readers, and the content is completely inaccessible to non-screen reader users.
HTML: A good basis for accessibility - Learn web development
LearnAccessibilityHTML?document saved=true
for example, there is a longdesc attribute that is meant to point to a separate web document containing an extended description of the image, for example: <img src="dinosaur.png" longdesc="dino-info.html"> this sounds like a good idea, especially for infographics like big charts with lots of information on them that could perhaps be represented as an accessible data table instead (see accessible data tables).
... however, longdesc is not supported consistently by screen readers, and the content is completely inaccessible to non-screen reader users.
HTMLIFrameElement - Web APIs
WebAPIHTMLIFrameElement
htmliframeelement.longdesc is a domstring that contains the uri of a long description of the frame.
... recommendation the following properties are now obsolete: scrolling, marginwidth, marginheight, longdesc, frameborder, and align.
HTMLImageElement - Web APIs
WebAPIHTMLImageElement
htmlimageelement.longdesc a usvstring specifying the url at which a long description of the image's contents may be found.
... the following properties are now obsolete: name, border, align, hspace, vspace, and longdesc.
Perceivable - Accessibility
WebAccessibilityUnderstanding WCAGPerceivable
use a regular link instead of a longdesc attribute.
...see other text alternative mechanisms for the argument against longdesc.
Gecko FAQ - Gecko Redirect 1
GeckoFAQ
oted below and open bugs documented in bugzilla: html 4.0 - full support except for: elements: bdo, basefont attributes: shape attribute on the a element, abbr, axis, headers, scope-row, scope-col, scope-rowgroup, scope-colgroup, charoff, datasrc, datafld, dataformat, datapagesize, summary, event, dir, align on table columns, label attribute of option, alternate text of area elements, longdesc various metadata attributes: cite, datetime, lang, hreflang bidirectional text layout, which is only used in hebrew and arabic (ibm has begun work to add bidi support in a future release) style sheets css 1 - full support, except for: the application of styles to html column elements the ability to turn off author styles the names of certain mozilla extension...
Index - Web APIs
WebAPIIndex
1724 htmlimageelement.longdesc api, dom, html, html dom, htmlimageelement, long description, obsolete, property, reference, description, img, longdesc the obsolete property longdesc on the htmlimageelement interface specifies the url of a text or html file which contains a long-form description of the image.
HTML To MSAA - Accessibility
WebAccessibilityHTML To MSAA
/a n/a n/a fieldset role_system_ grouping text equivalent from child legend element n/a n/a labelled_by (1003), points to legend element n/a n/a hr role_system_ separator n/a n/a n/a n/a n/a n/a img, input @type=image role_system_ graphic from @alt attribute, empty @alt attribute means name can't be calculated at all n/a state_system_ animated if image has more than one frame n/a "showlongdesc" if @longdesc attribute is presented n/a if @usemap attribute is used then image accessible has children for each map item input @type=button, submit, reset role_system_ pushbutton from @value attribute, @alt attribute, default label, @src attribute, @data attribute n/a state_system_ default if @type attribute has value "submit" n/a "press" n/a input @type=text, textarea role_system_ text n...
<iframe>: The Inline Frame element - HTML: Hypertext Markup Language
WebHTMLElementiframe
longdesc a url of a long description of the frame's content.
<img>: The Image Embed element - HTML: Hypertext Markup Language
WebHTMLElementimg
longdesc a link to a more detailed description of the image.