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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.

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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.

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Publisher: MDN Web Docs. Last checked: .

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