spec 2 linked patterns checked
ARIA tooltip role
Documents tooltip role behavior, aria-describedby ownership, automatic focus or hover display, Escape dismissal, non-focusable tooltip content, and why tooltips cannot contain interactive elements.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Tooltip | Choose tooltip when the target already has a usable name and needs only a short supplemental description on focus or hover. | The owning element keeps focus while the tooltip is visible. | Supports aria-describedby ownership, automatic display, and the no-interactive-content boundary. |
| Tooltip-only required information | Flag this anti-pattern when the tooltip content is necessary to complete the task correctly or avoid a harmful outcome. | Users can complete the task without reading a tooltip. | Supports the tooltip boundary as noninteractive described content, not a container for required task controls or long instructions. |
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: .