When pages utilize scripting languages to display content, or to create interface elements, the information provided by the script shall be identified with functional text that can be read by assistive technology.
Why this is important: Many users of assistive technology will not have scripting available; even users of standard browsers may have scripting disabled for security or other reasons. Keyboard-only users will not be able to access functionality that is provided only with mouse-triggered events. The now obsolete "<noscript>" alternative is almost never able to provide truly equivalent content and functionality.
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