State change detection (state-changes)

User interface components with changing states (e.g. checkboxes) include properties such as aria-checked, aria-selected or aria-expanded.


Invalid aria-expanded value:

This button for an expandable menu has an invalid aria-expanded value:

(The aria-expanded value should be "true" or "false", not "invalid")

Note: Possible to automatically test. Can be done by checking if aria-expanded attributes have valid values (true, false, undefined).

axe detected: 4.1.2  |  QualWeb detected: 4.1.2