Accessibility in EJ2 JavaScript Radio button control
24 Jan 20243 minutes to read
The Radio button component 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 Radio button component 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 component meet the requirement.
- Some features of the component do not meet the requirement.
- The component does not meet the requirement.WAI-ARIA attributes
The Radio button component followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Radio button component:
| Attributes | Purpose |
|---|---|
aria-disabled |
Indicates that the element is perceivable but disabled, so it is not editable or otherwise operable. |
Keyboard interaction
The Radio button component 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 Radio button component.
| Press | To do this |
|---|---|
| UP/Left arrow | Move and select the previous options. |
| Down/Right arrow | Move and select the next options. |
Ensuring accessibility
The Radio button component component’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.
The accessibility compliance of the Radio button component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Radio button component with accessibility tools.