Alternative text for areas in client-side image maps: img element with image map; empty alt attributes in image map areas and URL as alt for image Developed by W3C/WAI's Evaluation and Repair Tools Working Group (ERT WG). We invite comments and discussion. Please address your feedback to public-wai-ert-tests@w3.org, a mailing list with a public archive. en Copyright © 1994-2008 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3Cliability, trademark, document use and software licensing rules apply. Your interactions with this site are in accordance with our public and Member privacy statements. $Date: 2009/04/29 09:05:59 $ unconfirmed $Revision: 1.10 $ XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition) How to specify alternate text How to create client-side image maps Client-side image maps: the map and area elements A document with a client-side image map; the image represents a traffic light. The img element has an alt attribute that duplicates the src attribute with the URI to the image instead of an appriopriate text alternative. The alt attributes of the image map's area elements are empty (the alt attributes are present, but there is no text or white space between the double quotation marks).

This test case is intended to fail: instead of an appropriate text alternative, the alt attribute contains the URL to the image file. In addition, the text alternatives for the areas of the image map are empty.

../testfiles/sc1.1.1_l1_025.html 1.1 15 7 /h:html/h:body/h:div/h:p[2]/h:img/@alt 18 46 /h:html/h:body/h:div/h:map/h:area[1]/@alt 19 47 /h:html/h:body/h:div/h:map/h:area[2]/@alt 20 47 /h:html/h:body/h:div/h:map/h:area[3]/@alt

The img element has a alt attribute containing the relative URL of the image file. Moreover, since each of the area elements in the map element has an alt attribute, this case does not pass.

This test case maps to failure F30: Failure of SC 1.1.1 due to using text alternatives that are not alternatives (e.g. filenames or placeholder text).

(In Mozilla 1.7.3, SeaMonkey 1.1, Firefox 1.0, 1.5 and 2.0, the map does not work if the map element has only an id and no name attribute.)