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Cornell University

Web Accessibility Reviews

When the setting or value of a User Interface component is changed, that does not trigger a change of context unless the user is informed of the behavior beforehand.

WGAC 2 criterion 3.2.2 On Input (A)
Category Interaction
ACT Rules

WCAG 2 criterion

3.2.2 On Input (Level A)

Tools and requirements

  • Manual Evaluation
  • Keyboard

Test procedure

This criterion evaluates when you change the value of a checkbox, radio button, select box, or any other user interface component which offers different values or states, there is no change of context unless there is an instruction in text before the interaction stating that changing values will direct you to a different location. This type of instruction may NOT be screen reader only (invisible to users except those using screen readers).

Common scenarios when a user interface component changing values changes context include

  • Filters for large chunks of content.
  • Changing the value of a select box which immediately navigates the user elsewhere.
  • Auto-submission of a form.

If the change of context is triggered by a button, then that interaction is not applicable to this criterion.

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