WAI-ARIA

Description A type of live region containing a numerical counter which indicates an amount of elapsed time from a start point, or the time remaining until an end point. The text contents of the timer object indicate the current time measurement, and are updated as that amount changes. The timer value is not necessarily machine…

Description A collection of commonly used function buttons or controls represented in compact visual form. The toolbar is often a subset of functions found in a menubar, designed to reduce user effort in using these functions. Authors MUST supply a label on each toolbar when the application contains more than one toolbar. Authors MAY manage…

Description A contextual popup that displays a description for an element. The tooltip typically becomes visible in response to a mouse hover, or after the owning element receives keyboard focus. In each of these cases, authors SHOULD display the tooltip after a short delay. The use of a WAI-ARIA tooltip is a supplement to the…

Description A type of list that may contain sub-level nested groups that can be collapsed and expanded. To be keyboard accessible, authors SHOULD manage focus of descendants for all instances of this role, as described in Managing Focus. Elements with the role tree have an implicit aria-orientation value of vertical. Role=Tree Example HTML Example In…

Description A grid whose rows can be expanded and collapsed in the same manner as for a tree. If aria-readonly is set on an element with role treegrid, user agents MUST propagate the value to all gridcell elements owned by the treegrid and expose the value in the accessibility API. An author MAY override the…

Description An option item of a tree. This is an element within a tree that may be expanded or collapsed if it contains a sub-level group of tree item elements. A collection of treeitem elements to be expanded and collapsed are enclosed in an element with the group role. Authors MUST ensure elements with role…