Accessibility in EJ2 JavaScript Sparkline control

18 Jan 20242 minutes to read

The Sparkline 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 Sparkline control is outlined below.

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

WAI-ARIA attributes

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

  • img (role)
  • aria-label (attribute)
  • aria-hidden (attribute)

Keyboard interaction

The Sparkline 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 Sparkline control.

Press To do this
Ctrl + P Prints the Sparkline.

Ensuring accessibility

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

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

See also