WCAG 2.0 · Level A · Understandable
WCAG 3.2.2 — On Input
Changing a setting (like a dropdown) must not automatically cause an unexpected context change unless the user is warned.
WCAG 3.2.2 at a glance
Level A · Principle: Understandable · Added in WCAG 2.0. Level A is the minimum — failing it blocks some users entirely.
What it means
Changing a setting (like a dropdown) must not automatically cause an unexpected context change unless the user is warned.
Who it helps
Everyone, especially cognitive and screen-reader users.
Common failures
- Selecting a dropdown option instantly reloads or navigates with no warning
How to meet WCAG 3.2.2
- Require an explicit submit, or warn in advance
How to test it
Manual.