@progress/wct-a11y-spec
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Contains accessibility and keyboard navigation specification of Telerik and Kendo web components.
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The Kendo UI for jQuery TimePicker component is [WCAG 2.1 AAA](https://www.w3.org/TR/WCAG21/) and [Section 508](http://www.section508.gov/) compliant. The component also follows the [WAI-ARIA best practices](https://www.w3.org/WAI/ARIA/apg/) for implementing the keyboard navigation for its component role, and is tested against the popular screen readers.
## Wai-Aria
### TimePicker wrapper
| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| .k-input-inner | `role=combobox` | The input element should follow the `combobox` specification. |
| | `label for=` or `aria-label` or `aria-labelledby` | The input needs an accessible name to be assigned to it. |
| | `aria-expanded=true/false` | Announces whether the Popup is visible or not. |
| | `aria-controls=.k-animation-container id` | Points to the popup element. Signifies that the `combobox` element controls the `listbox` popup. |
| | `disabled` or `aria-disabled` | Attribute is rendered only when the DatePicker is disabled. |
| | `readonly` or `aria-readonly` | Attribute is rendered only when the DatePicker is readonly. |
| | `aria-invalid=true` | Attribute is rendered only when the picker is in form and announces the valid state of the component. |
| .k-input-button | `role=button` or `nodeName=button` | The element must either be a `<button>` element or must have `role=button` assigned. |
| | `aria-label` | The button needs an accessible name to be assigned to it. |
| | `tabindex=-1` | Button element must not be focusable. |
### ListBox Popup
| Selector | Attribute | Usage |
| -------- | --------- | ----- |
| .k-animation-container | `role=region` | When the component container is appended to the `<body>` element of the document, it needs a landmark role to be assigned to it. Otherwise, it should be appended to an element with an appropriate landmark role. |
| | `aria-label` or `aria-labelledby` | Provides a label when the container has a `region` role assigned. |
| .k-list-ul | `role=listbox` | Identifies the ul element as a listbox. |
| | `aria-label` or `aria-labelledby` | Provides a label for the listbox of the combobox. |
| .k-list-item | `role=option` | Identifies the li element as a listbox option. |
| .k-list-item.k-selected | `aria-selected=true` | Indicates the selected state of the item. |
## Resources
[WAI-ARIA specification for combobox](https://www.w3.org/TR/wai-aria-1.2/#combobox)
[WAI-ARIA specification for listbox](https://www.w3.org/TR/wai-aria-1.2/#listbox)
[WAI-ARIA practices select only combobox example](https://www.w3.org/WAI/ARIA/apg/example-index/combobox/combobox-select-only.html)
## Section 508
The TimePicker is compliant with the [Section 508](http://www.section508.gov/) requirements
## Testing
The component has been extensively tested automatically with static code analyzers and manually with the most popular screen readers.
> Any Accessibility Issues could be reported in [Telerik Support System](https://www.telerik.com/account/support-center).
### Screen Readers
| Environment | Tool |
| ----------- | ---- |
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |