Accessibility in EJ2 TypeScript Stock chart control

18 Jan 20243 minutes to read

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

  • img (role)
  • button (role)
  • region (role)
  • aria-label (attribute)
  • aria-hidden (attribute)
  • aria-pressed (attribute)

Keyboard interaction

The Stock chart 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 Stock chart control.

Press To do this
Alt + J Moves the focus to the Stock chart element.
Tab Moves the focus to the next element in the Stock chart.
Shift + Tab Moves the focus to the previous element in the Stock chart.
Down Arrow Moves the focus to the data point left side from the selected point.
Up Arrow Moves the focus to the data point right side from the selected point.
ESC Cancel the tooltip for the data point.
Ctrl + P Prints the Stock chart.

Ensuring accessibility

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

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

See also