Description Defines an element’s number or position in the current set of listitems or treeitems. Not required if all elements in the set are present in the DOM. See related aria-setsize. If all items in a set are present in the document structure, it is not necessary to set this attribute, as the user agent…
Description New in ARIA 1.1 Defines a short hint (a word or short phrase) intended to aid the user with data entry when the control has no value. A hint could be a sample value or a brief description of the expected format. Authors SHOULD NOT use aria-placeholder instead of a label as their purposes…
Description Identifies an element (or elements) in order to define a visual, functional, or contextual parent/child relationship between DOM elements where the DOM hierarchy cannot be used to represent the relationship. See related aria-controls. The value of the aria-owns attribute is a space-separated list of IDREFS that reference one or more elements in the document…
1.3.2 Meaningful Sequence: When the sequence in which content is presented affects its meaning, a correct reading sequence can be programmatically determined. (Level A) This success criterion requires that content presented on the page must be meaningful during navigation to all users. Users navigate content from left to right & assistive technology users such as…
Description Indicates whether the element’s orientation is horizontal, vertical, or unknown/ambiguous. Note: In ARIA 1.1, the default value for aria-orientation changed from horizontal to undefined. Implicit defaults are defined on some roles (e.g., slider defaults to horizontal; scrollbar defaults to vertical) but remain undefined on roles where an expected default orientation is ambiguous (e.g., radiogroup). Browser…
Description Indicates that the user may select more than one item from the current selectable descendants. Authors SHOULD ensure that selected descendants have the aria-selected attribute set to true, and selectable descendant have the aria-selected attribute set to false. Authors SHOULD NOT use the aria-selected attribute on descendants that are not selectable. Note: Lists and trees…
