ProgressBar Accessibility
The ProgressBar is accessible by screen readers and provides WAI-ARIA, Section 508, WCAG 2.2, and keyboard support.
The Accessibility is part of Kendo UI for jQuery, a
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For more information, refer to Accessibility in Kendo UI for jQuery
Out of the box, the Kendo UI for jQuery ProgressBar provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.
The ProgressBar is compliant with the Web Content Accessibility Guidelines (WCAG) 2.2 AA standards](https://www.w3.org/TR/WCAG22/) 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-progressbar |
role=progressbar |
Sets the proper role for ProgressBar. |
aria-label or aria-labelledby
|
The Progressbar needs an accessible name to be assigned to it. | |
aria-valuenow |
Only present and required if the value is not indeterminate. Set to a decimal value between 0, or aria-valuemin if present, and aria-valuemax indicating the current value of the progress bar. | |
aria-valuemin |
Set to a decimal value representing the minimum value, and less than aria-valuemax. If not present, the default value is 0. | |
aria-valuemax |
Set to a decimal value representing the maximum value, and greater than aria-valuemin. If not present, the default value is 100. |
Resources
WAI-ARIA specification for progressbar
MDN reference for the progressbar role
Section 508
The ProgressBar is fully compliant with the Section 508 requirements.
Testing
The ProgressBar 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 ProgressBar has been tested with the following screen readers and browsers combinations:
| Environment | Tool |
|---|---|
| Firefox | NVDA |
| Chrome | JAWS |
| Microsoft Edge | JAWS |
Automated Testing
The ProgressBar has been tested with axe-core.
Test Example
A live test example of the ProgressBar component could be found here: https://demos.telerik.com/kendo-ui/accessibility/progressbar