spec checked
MDN ARIA treeitem role
Documents treeitem as a node in a tree, including parent and end-node behavior, group nesting, aria-expanded, aria-selected or aria-checked selection state, aria-multiselectable constraints, selectable versus nonselectable nodes, accessible names, keyboard interactions, and JavaScript focus and selection management requirements.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Tree selection | Choose tree selection when hierarchy is meaningful to the user's selection task and the parent-child relationship changes how options are found or interpreted. | The tree container has role tree and a visible label referenced by aria-labelledby or an accessible name. | MDN documents treeitem selection with aria-selected or aria-checked, single versus multi-selection constraints, accessible names, group nesting, and JavaScript keyboard requirements. |
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: .