spec checked
MDN ARIA Alert Role
Explains role alert as an assertive live-region role for important time-sensitive text updates that should not require focus or user interaction.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Alert | Choose alert when a time-sensitive warning, error, or important status change must be noticed immediately without moving focus. | The alert appears close to the task area whose outcome it affects and before the controls users need next. | MDN defines role alert as assertive live-region text for important time-sensitive messages and warns against overuse or required interaction. |
Evidence Role
This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: MDN Web Docs. Last checked: .