Typically, this can be accomplished by using the “ALT” attribute of most non-text elements. Many of these elements can be used in your web page and made accessible simply by including a description of the element using the ALT attribute (keeping the description of the element to ten words or less). If you are using audio and video tracks in your web page content, you are at a level that would necessitate additional training in order to make these accessible.
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1. A brief text equivalent for the below image below is implemented using the ALT attribute of the IMG element.
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2. A text equivalent may consist of a long description. In that case the LONGDESC attribute of the IMG element may be used. The LONGDESC attribute provides the URL of a document containing a description of that element. Used by only some browsers, this element allows browsers to retrieve the relative document for users who cannot read the screen. The image below employs use of the LONGDESC attribute:
<img src="images/campusmap.gif" alt="Campus Map" longdesc="http://www.muhlenberg.edu/muhlinfo/map.HTML" width="400" border="0"> (Top) |
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3. With scripts, a way to accomplish this is with the NOSCRIPT element. The purpose of the NOSCRIPT element is to display alternate content when a browser is not configured to run the scripts embedded within a document. The content of the NOSCRIPT element is rendered when scripts are not enabled. Thus, the NOSCRIPT element may be placed just after the BODY element, with a customized message providing accessibility to the content of the document AS FOLLOWS: <NOSCRIPT><a href="accessiblePage.HTML">Click here for a better representation of this page</a></NOSCRIPT> Note: Accessible sites should not place messages of the following kind within their documents! This document contains features that your browser does not support. You may not have full access to this page's powers at this time. |
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