aria-busy attribute (aria)
Screen Reader support level: partial (14/22)
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About this feature
Indicates an element is being modified and that assistive technologies MAY want to wait until the modifications are complete before exposing them to the user.
Age of results
Results across all tests for this feature range from 3 years ago to 5 years ago. Detailed dates and version information can be found in associated tests.
Caution
Failing or partial results may be out of date. The oldest result is from 5 years ago. Consider running the associated tests and contributing results.
Expectations
Screen Reader support by expectation
| Expectation | JAWS | Narrator | NVDA | Orca | TalkBack | VoiceOver (iOS) | VoiceOver (macOS) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Edge | Chrome | Edge | Firefox | Firefox | Chrome | Safari | Safari | |
| MUST convey the "false" value | supported | supported | supported | supported | supported | supported | supported | supported | supported | supported | supported |
| MUST convey the "true" value | supported | supported | supported | none | none | none | none | none | none | none | none |
Expectation: convey the "false" value
Rationale:
Screen reader users need to be aware that content is not busy and thus ready to use.
Strength of this expectation for different types of assistive technologies:
- Screen Readers: MUST
- Voice Control: NA
Examples:
- Screen readers might imply the false value by not hiding the element.
| Test | JAWS | Narrator | NVDA | Orca | TalkBack | VoiceOver (iOS) | VoiceOver (macOS) | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Edge | Chrome | Edge | Firefox | Firefox | Chrome | Safari | Safari | |
| aria-busy test case (basic) applied to: div element | supported | supported | supported | supported | supported | supported | supported | supported | supported | supported | supported |
Expectation: convey the "true" value
Rationale:
Screen reader users need to be aware that content is busy and thus not ready to use.
Strength of this expectation for different types of assistive technologies:
- Screen Readers: MUST
- Voice Control: NA
Examples:
- Screen readers might imply the true value by hiding the element.