Blazor CheckBox Accessibility
Out of the box, the Telerik UI for Blazor CheckBox provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The CheckBox 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.
| Selector | Attribute | Usage |
|---|---|---|
.k-checkbox |
role=checkbox or type=checkbox
|
Announces the checkbox role of the element. |
label for or aria-label or aria-labelledby
|
The input requires an accessible name to which it will be assigned. | |
aria-required=true |
The attribute is rendered only when the CheckBox 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 checkbox, or if the value of the checkbox is invalid, to the error message. This attribute should only be present when a hint is set or when the checkbox value is invalid. | |
aria-checked=true or checked=checked
|
Announces the checked state of the CheckBox. | |
disabled=disabled or aria-disabled=true
|
The attribute is rendered only when the CheckBox is disabled. | |
.k-invalid,.ng-invalid |
aria-invalid=true |
The attribute is rendered only when the CheckBox is in a form HTML element and announces the invalid state of the component. |
Resources
WAI-ARIA Authoring Practices: CheckBox Pattern
Section 508
The CheckBox is fully compliant with the Section 508 requirements.
Testing
The CheckBox 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 CheckBox has been tested with the following screen readers and browsers combinations:
| Environment | Tool |
|---|---|
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |