Accessibility Features Overview
NOTE
The overall accessibility level of your application depends on the ProgressBar features that you use.
Accessibility Requirement | Support Level |
---|---|
Right-to-Left Support | |
Keyboard Navigation Support | |
Screen Reader Support | |
Contrast Color Theme | |
Mobile Device Support | |
Lighthouse Accessibility Validation | |
Axe Accessibility Validation | |
WAVE Accessibility Validation | |
Section 508 Support | |
WCAG 2.x Support |
- - All component features meet the requirement
- - Some component features may not meet the requirement
- - Accessibility requirement is not supported
Accessibility Standards Compliance
The ProgressBar component meets a variety of Section 508 and WCAG 2.x compliance standards. Known exceptions:
Section 508 criteria | WCAG 2.x criteria | Exception description |
---|---|---|
501 (Web)(Software) 504.2 (Authoring Tool) 602.3 (Support Docs) |
1.4.3 Contrast (Minimum) (Level AA) 1.4.11 Non-text Contrast (Level AA 2.1 and 2.2) |
ProgressBar does not support Windows High Contrast themes. |
Screen Reader Support
The ProgressBar component supports screen readers and complies to WAI-ARIA standards.
To improve accessibility, use the elementAttr property to specify aria-label for the component.
Not all screen readers pronounce the progress status. To make sure the status is pronounced, add the following aria-* attributes:
app.component.html
app.component.ts
- <dx-progress-bar
- [elementAttr]="elementAttr"
- (onContentReady)="onContentReady($event)"
- >
- </dx-progress-bar>
- export class AppComponent {
- elementAttr = {
- 'aria-live': 'polite',
- 'aria-describedby': 'status'
- };
- onContentReady: ({ element }) => {
- element.querySelector('.dx-progressbar-status').setAttribute('id', 'status');
- }
- }
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