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Java and JavaScript applications (applets) are being used more often to enhance interactivity and plug-ins are often used for multimedia content delivery. Newer browsers are needed in order to run Java applets. Most auditory browsers do not support them, or have limited support.
Fortunately, HTML allows the inclusion of descriptions or instructions within the APPLET tag. A designer can include any HTML element in this description, including links to an accessible alternative. Also, scripts should always include the TITLE attribute to clearly identify them. A NOSCRIPT tag should also be used to provide non-compliant browsers an alternative to the script content.
<APPLET code="Press.class" width="500" height="500"
alt="Java applet: how temperature affects pressure">
As temperature increases, the molecules in the balloon...
</APPLET>
<script LANGUAGE="JavaScript" TITLE="Link Script for Java Browsers">
</script>
<noscript> You do not support JavaScript. Please follow this link to comparable content.
</noscript>
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Any opinions, findings and conclusions or recommendations expressed in this material are those
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 This material is based on work supported by the National Science Foundation under Grant Number DUE 0302548. |
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