WCAG 2.5.2: Pointer Cancellation
Success Criterion 2.5.2 — Level AA
Quick Answer
For single-pointer activation, at least one of: no down-event, abort/undo, up-reversal, or essential exception.
Why It Matters
Accidental clicks on mobile cannot be undone if actions fire on touchstart instead of touchend.
How to Audit
Run an automated accessibility scan to detect common Pointer Cancellation failures. Then manually verify with: keyboard-only navigation, a screen reader (VoiceOver on Mac, NVDA on Windows), and browser developer tools. Automated tools catch approximately 40% of Pointer Cancellation issues — manual testing is essential.
How to Fix
Trigger click actions on mouse up or touchend, not mousedown or touchstart. Allow users to drag away to cancel.
Frequently Asked Questions
What is WCAG 2.5.2 Pointer Cancellation?
For single-pointer activation, at least one of: no down-event, abort/undo, up-reversal, or essential exception.
Is WCAG 2.5.2 required for ADA compliance?
WCAG 2.1 Level AA is the standard referenced in most ADA website lawsuits and DOJ guidance. All Level AA criteria including this one are relevant to legal compliance.
How do I fix WCAG 2.5.2 violations?
Trigger click actions on mouse up or touchend, not mousedown or touchstart. Allow users to drag away to cancel.
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