Accessibility in EJ2 JavaScript Chips component

14 Jun 20243 minutes to read

The Chips 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 Chips component is outlined below.

Accessibility Criteria Compatibility
WCAG 2.2 Support Yes
Section 508 Support Yes
Screen Reader Support Yes
Right-To-Left Support Yes
Color Contrast Yes
Mobile Device Support Yes
Keyboard Navigation Support Yes
Accessibility Checker Validation Yes
Axe-core Accessibility Validation Yes
Yes - All features of the component meet the requirement.
Intermediate - Some features of the component do not meet the requirement.
No - The component does not meet the requirement.

WAI-ARIA attributes

The Chips component followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Chips component:

Attributes Purpose
role=listbox Indicates the ChipList component wrapper element as listbox.
role=option Used to convey a significant and contextual message to the user(ChipList).
role=button Used to convey a significant and contextual message to the user(Single Chip).
aria-label Provides an accessible name for the Chip.
aria-selected Indicates the element is selected.
aria-disabled Indicates element is perceivable but disabled.
aria-multiselectable Indicates multiple items to be selected.

Keyboard interaction

The Chips 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 Chips component.

Keyboard shortcuts Actions
Enter / Space Selects the targeted chip from the ChipList/ChipCollection.
Delete / Backspace Deletes the targeted chip from the ChipList/ChipCollection.

Ensuring accessibility

The Chips component’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.

The accessibility compliance of the Chips component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Chips component with accessibility tools.

See also