Accessibility in EJ2 TypeScript Rating control
30 Jan 20244 minutes to read
The Rating control followed the accessibility guidelines and standards, including ADA, Section 508, WCAG 2.2 standards, and WCAG roles that are commonly used to evaluate accessibility.
The accessibility compliance for the Rating 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 | |
| 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 Rating control followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Rating control:
| Attributes | Purpose |
|---|---|
role=slider |
It defines an input where the user selects a value from within a specified range. |
role=button |
Specifies that the reset is a clickable element that resets the rating to its minimum value. |
aria-label |
Provides an accessible name for Rating. |
aria-valuemin |
It defines the minimum value of rating. |
aria-valuemax |
It defines the maximum value of rating. |
aria-valuenow |
It defines the current value of rating. |
aria-hidden |
It specifies whether the reset button is interactive or not. |
Keyboard interaction
The Rating control followed the keyboard interaction guideline, making it easy for people who use assistive technologies (AT) and those who completely rely on keyboard navigation. The following keyboard shortcuts are supported by the Rating control.
| Keyboard shortcuts | Actions |
|---|---|
| Space | When Reset Button is focused, resets to min value. |
| Arrow Up | Increases the value. |
| Arrow Left | Decreases the value; in RTL mode, increases the value. |
| Arrow Down | Decreases the value. |
| Arrow Right | Increases the value; in RTL mode, decreases the value. |
Ensuring accessibility
The Rating control’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.
The accessibility compliance of the Rating control is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Rating control with accessibility tools.