@progress/wct-a11y-spec/dist/react/aria/dropdownbutton_aria.md

Contains accessibility and keyboard navigation specification of Telerik and Kendo web components.

Out of the box, the Kendo React DropDownButton provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.


The DropDownButton is compliant with the [Web Content Accessibility Guidelines (WCAG) 2.2 AA](https://www.w3.org/TR/WCAG22/) standards and [Section 508](https://www.section508.gov/) requirements, follows the [Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA)](https://www.w3.org/WAI/ARIA/apg/) best practices for implementing the [keyboard navigation](#keyboard-navigation) for its `component` role, provides options for managing its focus and is tested against the most popular screen readers.

## WAI-ARIA


This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any.

### Main Button Element


The following table summarizes the selectors and attributes supported by the main `button` element of the DropDownButton:

| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| `.k-menu-button` | `role=button` or `nodeName=button` | Omitted if the `<button>` DOM element is used. |
|  | `aria-label` | The attribute must be present when no text is initially visible in the button. |
|  | `aria-expanded=true/false` | Announces the state of the popup visibility. |
|  | `aria-controls=.k-menu-group id` | Points to the popup element. Builds a relationship between the button and the popup. |
| `.k-menu-button.k-disabled` | `aria-disabled=true` | Rendered only when the button is disabled and the `disabled` attribute cannot be used. Applicable to the `<button>` or `<input type="button">` elements. |

### Popup Menu Element


The following table summarizes the selectors and attributes supported by the popup `menu` element of the DropDownButton:

| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| `.k-menu-group` | `role=list` | Announces the `list` role of the popup. |
| `.k-menu-item` | `role=listitem` | Announces the `listitem` role of the popup items. |

## Resources

[WAI-ARIA Authoring Practices: Disclosure Pattern](https://www.w3.org/WAI/ARIA/apg/patterns/disclosure/)

## Section 508


The DropDownButton is fully compliant with the [Section 508 requirements](http://www.section508.gov/).

## Testing


The DropDownButton has been extensively tested automatically with [axe-core](https://github.com/dequelabs/axe-core) and manually with the most popular screen readers.

> To report any accessibility issues, contact the team through the [Telerik Support System](https://www.telerik.com/account/support-center).

### Screen Readers


The DropDownButton has been tested with the following screen readers and browsers combinations:

| Environment | Tool |
| ----------- | ---- |
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |