Accessibility Support
Out of the box, the Telerik and Kendo UI DatePicker provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The DatePicker is compliant with the Web Content Accessibility Guidelines (WCAG) 2.2 standards and Section 508 requirements, follows the Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA) best practices for implementing the 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.
DatePicker Wrapping Element
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-haspopup=grid | Indicates the component has a Calendar Popup that implements role="grid" . | |
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 Calendar grid . | |
aria-activedescendant=.k-calendar-td.k-focus id | Points to the focused item (date/month/year) in the Calendar Popup. Should only be present when the Popup is open. | |
readonly=readonly or aria-readonly=true | Attribute is rendered only when the DatePicker is readonly. | |
aria-invalid=true | Attribute is rendered only when the combobox is in form and announces the valid state of the component. | |
tabindex=0 | The element must be focusable. | |
.k-disabled .k-input-inner | disabled=disabled or aria-disabled=true | Attribute is rendered only when the DatePicker is disabled. |
.k-input-button | role=button or nodeName=button | The element should either be a <button> element or should have role="button" assigned. |
aria-label | The button needs an accessible name to be assigned to it. | |
tabindex=-1 | Button element should not be focusable. |
Calendar Popup
The Calendar in the Popup element of the component should implement the specification for the Calendar component.
Managing the Focus
Initial focus is on the selected date.
Keyboard Shortcuts
Actions applied to the DateInput:
The DatePicker implements the keyboard shortcuts for the DateInput component:
Apart from that, it also features the following shortcuts related to ist Popup:
Shortcut | Behavior |
---|---|
Esc | Closes the popup |
Alt/Opt(Mac) + Down | Opens the popup |
Alt/Opt(Mac) + Up | Closes the popup |
Actions applied to the Calendar:
Ones the popup is open, navigation is handled through the Calendar component:
Testing
The DatePicker has been extensively tested automatically with axe-core and manually with the most popular screen readers.
Screen Readers
The DatePicker has been tested with the following screen readers and browsers combinations:
Environment | Tool |
---|---|
Firefox | NVDA |
Chrome | JAWS |
Microsoft Edge | JAWS |