WAI-ARIA

Description Defines the number of items in the current set of listitems or treeitems. Not required if all elements in the set are present in the DOM. See related aria-posinset. This property is marked on the members of a set, not the container element that collects the members of the set. To orient the user…

Description Defines the number of rows spanned by a cell or gridcell within a table, grid, or treegrid. See related aria-rowindex and aria-colspan. This attribute is intended for cells and gridcells which are not contained in a native table. When defining the row span of cells or gridcells in a native table, authors SHOULD use…

Description Defines an element’s row index or position with respect to the total number of rows within a table, grid, or treegrid. See related aria-rowcount and aria-rowspan. If all of the rows are present in the DOM, it is not necessary to set this attribute as the user agent can automatically calculate the index of…

Description Defines the total number of rows in a table, grid, or treegrid. See related aria-rowindex. If all of the rows are present in the DOM, it is not necessary to set this attribute as the user agent can automatically calculate the total number of rows. However, if only a portion of the rows is…

Description New in ARIA 1.1 Defines a human-readable, author-localized description for the role of an element. Some assistive technologies, such as screen readers, present the role of an element as part of the user experience. Such assistive technologies typically localize the name of the role, and they may customize it as well. Users of these…

Description Indicates that user input is required on the element before a form may be submitted. For example, if the user needs to fill in an address field, the author will need to set the field’s aria-required attribute to true. Note: The fact that the element is required is often presented visually (such as a sign…