Blazor DateRangePicker Accessibility
Out of the box, the Telerik UI for Blazor DateRangePicker provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The DateRangePicker is compliant with the Web Content Accessibility Guidelines (WCAG) 2.2 AA 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.
Input elements
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-required=true |
The attribute is rendered only when the DateRangePicker is in a form HTML element and announces the required state of the component. |
|
aria-describedby=.k-form-hint id/.k-form-error id |
Points to the hint for the input, or if the input is invalid, to the error message. This attribute should only be present when a hint is set or when the input is invalid. | |
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-calendar-container id |
Points to the popup element. Signifies that the combobox element controls the Calendar grid . |
|
.k-input-inner.k-focus |
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 DateRangePicker is readonly. | |
tabindex=0 |
The element should be focusable. | |
.k-invalid .k-input-inner,.ng-invalid .k-input-inner |
aria-invalid=true |
Attribute is rendered only when the combobox is in form and announces the valid state of the component. |
.k-disabled .k-input-inner |
disabled=disabled or aria-disabled=true
|
Attribute is rendered only when the DateRangePicker is disabled. |
Calendars Popup
The Calendars in the Popup element of the component should implement the specification for the MultiViewCalendar component.
Calendar accessibility specification
Resources
WAI ARIA specification for combobox
ARIA practices Date Picker Dialog Example
Section 508
The DateRangePicker is fully compliant with the Section 508 requirements.
Testing
The DateRangePicker has been extensively tested automatically with axe-core and manually with the most popular screen readers.
To report any accessibility issues, contact the team through the Telerik Support System.
Screen Readers
The DateRangePicker has been tested with the following screen readers and browsers combinations:
Environment | Tool |
---|---|
Firefox | NVDA |
Chrome | JAWS |
Microsoft Edge | JAWS |