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Accessibility Attributes

Accessibility Attributes

Table of Contents

aria-activedescendant

Identifies the currently active element when DOM focus is on a composite widget, textbox, group, or application.

aria-atomic

Indicates whether assistive technologies will present all, or only parts of, the changed region based on the change notifications defined by the aria-relevant attribute.

aria-autocomplete

Indicates whether inputting text could trigger display of one or more predictions of the user[s intended value for an input and specifies how predictions would be presented if they are made.

aria-busy

Indicates an element is being modified and that assistive technologies MAY want to wait until the modifications are complete before exposing them to the user.

aria-checked

Indicates the current "checked" state of checkboxes, radio buttons, and other widgets.

See aria-pressed and aria-selected.

aria-colcount

Defines the total number of columns in a table, grid, or treegrid.

See aria-colindex.

aria-colindex

Defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid.

See aria-colcount and aria-colspan.

aria-colspan

Defines the number of columns spanned by a cell or gridcell within a table, grid, or treegrid.

See aria-colindex and aria-rowspan.

aria-controls

Identifies the element (or elements) whose contents or presence are controlled by the current element.

See aria-owns.

aria-current

Indicates the element that represents the current item within a container or set of related elements.

aria-describedby

Identifies the element (or elements) that describes the object.

See aria-labelledby

aria-details

Identifies the element that provides a detailed, extended description for the object.

See aria-describedby.

aria-disabled

Indicates that the element is perceivable but disabled, so it is not editable or otherwise operable.

See aria-hidden and aria-readonly.

aria-dropeffect

Indicates what functions can be performed when a dragged object is released on the drop target.

Deprecated in ARIA 1.1

aria-errormessage

Identifies the element that provides an error message for the object.

See aria-invalid and aria-describedby.

aria-expanded

Indicates whether the element, or another grouping element it controls, is currently expanded or collapsed.

aria-flowto

Identifies the next element (or elements) in an alternate reading order of content which, at the user's discretion, allows assistive technology to override the general default of reading in document source order.

aria-grabbed

Indicates an element's "grabbed" state in a drag-and-drop operation.

Deprecated in ARIA 1.1

aria-haspopup

Indicates the availability and type of interactive popup element, such as menu or dialog, that can be triggered by an element.

aria-hidden

Indicates whether the element is exposed to an accessibility API.

See aria-disabled.

aria-invalid

Indicates the entered value does not conform to the format expected by the application.

See aria-errormessage.

aria-keyshortcuts

Indicates keyboard shortcuts that an author has implemented to activate or give focus to an element.

aria-label

Defines a string value that labels the current element.

See aria-labelledby.

aria-labelledby

Identifies the element (or elements) that labels the current element.

See aria-describedby.

aria-level

Defines the hierarchical level of an element within a structure.

aria-live

Indicates that an element will be updated, and describes the types of updates the user agents, assistive technologies, and user can expect from the live region.

aria-modal

Indicates whether an element is modal when displayed.

aria-multiline

Indicates whether a text box accepts multiple lines of input or only a single line.

aria-multiselectable

Indicates that the user may select more than one item from the current selectable descendants.

aria-orientation

Indicates whether the element[s orientation is horizontal, vertical, or unknown/ambiguous.

aria-owns

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 aria-controls.

aria-placeholder

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.

aria-posinset

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 aria-setsize.

aria-pressed

Indicates the current "pressed" state of toggle buttons.

See aria-checked and aria-selected.

aria-readonly

Indicates that the element is not editable, but is otherwise operable.

See aria-disabled.

aria-relevant

Indicates what notifications the user agent will trigger when the accessibility tree within a live region is modified.

See aria-atomic.

aria-required

Indicates that user input is required on the element before a form may be submitted.

aria-roledescription

Defines a human-readable, author-localized description for the role of an element.

aria-rowcount

Defines the total number of rows in a table, grid, or treegrid.

See aria-rowindex.

aria-rowindex

Defines an element[s row index or position with respect to the total number of rows within a table, grid, or treegrid.

See aria-rowcount and aria-rowspan.

aria-rowspan

Defines the number of rows spanned by a cell or gridcell within a table, grid, or treegrid.

See aria-rowindex and aria-colspan.

aria-selected

Indicates the current "selected" state of various widgets.

See aria-checked and aria-pressed.

aria-setsize

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 aria-posinset.

aria-sort

Indicates if items in a table or grid are sorted in ascending or descending order.

aria-valuemax

Defines the maximum allowed value for a range widget.

aria-valuemin

Defines the minimum allowed value for a range widget.

aria-valuenow

Defines the current value for a range widget.

See aria-valuetext.

aria-valuetext

Defines the human readable text alternative of aria-valuenow for a range widget.

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