Accessibility in EJ2 TypeScript Circular gauge control
27 Jun 20243 minutes to read
The Circular Gauge control follows commonly used accessibility guidelines and standards, such as ADA, Section 508, WCAG 2.2 standards, and WCAG roles.
The accessibility compliance for the Circular Gauge control is outlined below.
| Accessibility Criteria | Compatibility |
|---|---|
| WCAG 2.2 Support |  |
| Section 508 Support | |
| Screen Reader Support |  |
| Right-To-Left Support | |
| Color Contrast | |
| Mobile Device Support | |
| Keyboard Navigation Support | Not Applicable |
| Accessibility Checker Validation | |
| Axe-core Accessibility Validation | |
- All features of the control meet the requirement. - Some features of the control do not meet the requirement.
- The control does not meet the requirement.WAI-ARIA attributes
The Circular Gauge control followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Circular Gauge control:
| Attributes | Purpose |
|---|---|
role=region |
It is specified in the pointer, annotation, and title. The pointer supports the interactive drag-and-drop function to update the pointer value. |
aria-label |
Provides an accessible name for the axis labels, title, legend item labels, text pointers and annotation. |
Screen reading in Circular Gauge
Accessibility in the Circular Gauge control ensures that all users, regardless of ability or disability, can use screen reading. The following Circular Gauge elements will be read aloud using screen reading software, such as Narrator for Windows.
| Elements | Description |
|---|---|
| Axis labels | Reads the axis labels of the Circular Gauge. |
| Title | Reads the title of the Circular Gauge. |
| Legend item label | Reads the label of the legend item in the Circular Gauge. |
| Text pointer | Reads the text content shown as a pointer in Circular Gauge. |
| Annotation | Reads the content specified in the annotation. |
Ensuring accessibility
The Circular Gauge control’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.
The accessibility compliance of the Circular Gauge control is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Circular Gauge control with accessibility tools.