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Blazor DateTimePicker Accessibility

The Telerik UI for Blazor DateTimePicker is WCAG 2.1 AAA and Section 508 compliant. The component also follows the WAI-ARIA best practices for implementing the keyboard navigation for its component role, and is tested against the popular screen readers.

Wai-Aria

Input 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 Dialog Popup.
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.
aria-activedescendent=.k-calendar-td id Points to the focused item (date/month/year/hour/minute) in the Calendar Popup or the Time Popup. Should only be present when the Popup is open.
readonly=readonly or aria-readonly=true Attribute is rendered only when the DateTimePicker 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 should be focusable.
.k-disabled .k-input-inner disabled=disabled or aria-disabled=true Attribute is rendered only when the DateTimePicker 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.

Calendar accessibility specification

TimePicker Popup

Time Popup implementation should follow the specification for the TimePicker component.

TimePicker accessibility specification

Resources

WAI ARIA specification for combobox

WAI ARIA specification for spinbutton

ARIA practices Date Picker Dialog Example

Section 508

The DateTimePicker is compliant with the Section 508 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.

Screen Readers

Environment Tool
Firefox NVDA
Chrome JAWS
Microsoft Edge JAWS

See Also

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