WebAIM - Web Accessibility In Mind

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Re: Javascript Rollovers and accessibility

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From: Mark Rew
Date: Jan 21, 2003 7:10AM

If the rollovers are only for presentation affects then accessibility is not negatively impacted. The problem we had was when web designers used rollovers to add buttons to graphics. people navigating with the key board was not able to bring these additional selections up. The weather.gov site is still using rollovers for changing colors. The screen reader ignores this feature.

Mark Rew
----- Original Message -----
From: Andrew Johns
To: <EMAIL REMOVED>
Sent: Tuesday, January 21, 2003 8:45 AM
Subject: Re: Javascript Rollovers and accessibility


> If i am using graphics as links and want a rollover effect on
> them (i.e they swap images using javascript) - does this
> meet accessibility requirements?


Generally in my experience, the rollover effect has been nothing more than for presentational effect, so anyone with javascript turned off or didn't support could still click the link, or navigate to it on a keyboard and access the information behind it, and would ignore the onmouseover/onmouseout, and onfocus/onblur events.

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