37 lines
1.2 KiB
Markdown
37 lines
1.2 KiB
Markdown
[Back to 2 Operable index](index.html)
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# 2.2.4 Interruptions
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- Level: AAA
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- Guideline: 2.2 Enough Time
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- Principle: 2 Operable
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## What it is
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Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.
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## How to test
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- Check: Interruptions can be postponed or suppressed by the user, except interruptions involving an emergency.
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- Use the sufficient techniques below as acceptable methods when applicable.
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- Confirm none of the common failures apply.
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## Sufficient techniques (W3C)
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- G75: Providing a mechanism to postpone any updating of content
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- G76: Providing a mechanism to request an update of the content instead of updating automatically
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- SCR14: Using scripts to make nonessential alerts optional
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## Common failures (W3C)
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- F40: Failure due to using meta redirect with a time limit
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- F41: Failure of Success Criterion 2.2.1, 2.2.4, and 3.2.5 due to using meta refresh to reload the page
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## Resources
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- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#interruptions
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- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/interruptions.html
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- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#interruptions
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[Back to 2 Operable index](index.html)
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