spec checked
MDN ARIA tree role
Documents tree as a hierarchical widget for selecting one or more items, with treeitem descendants, group containers, aria-expanded on parent nodes only, accessible naming, aria-multiselectable, selected state independent from focus in multi-select trees, keyboard navigation, typeahead, and dynamic node position properties.
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 tree role hierarchy, accessible names, aria-expanded placement, aria-multiselectable, focus versus selected state, keyboard navigation, and dynamic node properties. |
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: .