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Change of overflow and position leads to output of live regions (Firefox) #262

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JAWS-test opened this issue Aug 30, 2019 · 1 comment
Closed

Change of overflow and position leads to output of live regions (Firefox) #262

JAWS-test opened this issue Aug 30, 2019 · 1 comment
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@JAWS-test
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Summary

Change of overflow and position leads to output of live regions (Firefox)

  1. Save as HTML file:
<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<title>live region</title>
	</head>
	<body>
		<div aria-live=polite id=1>
			live region
		</div>
		<p>
		<button onClick="document.getElementById('1').setAttribute('style','position:absolute;');">position</button>
		<button onClick="document.getElementById('1').setAttribute('style','overflow:hidden;');">overflow</button>
		<button onClick="document.getElementById('1').removeAttribute('style');">remove style attribute</button>
		</p>
	</body>
</html>
  1. Activate all 3 buttons one after the other

Expected result

CSS changes should not cause output of live regions (except visibility changes with display, hidden, aria-hidden and visibility)

Actual result

Change of overflow and position leads to output of live regions (only with Firefox)

See also w3c/aria-practices#78 and many other problems with live regions: https://github.com/FreedomScientific/VFO-standards-support/issues?q=live+region

Additional Information

JAWS version and build number

JAWS 2019.1907.42

Operating System and version

Windows 8

Browser and version:

Chrome 76.0.3809.100
Firefox 68.0.2
Internet Explorer 11.0.9600.19431
@JAWS-test JAWS-test mentioned this issue Sep 10, 2019
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@lamador
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lamador commented Jul 22, 2020

The issue was not reproducible using the latest version of JAWS (2020.2006.12), Chrome (84.0.4147.89), Firefox (78.0.2) and IE11 (11.959.18362.0) on Windows 10.

@lamador lamador closed this as completed Jul 22, 2020
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@lamador @JAWS-test