Accessibility in Blazor Menu Bar Component

25 Mar 20244 minutes to read

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

Attributes Purpose
role Indicates Menu bar component’s root Menu bar as menubar, popup as menu, and the popup items as menu item.
aria-haspopup Indicates the availability and type of interactive popup element.
aria-expanded Indicates whether the subtree can be expanded or collapsed, and indicates whether its current state can be expanded or collapsed.
aria-orientation Indicates whether the orientation is horizontal or vertical. The default orientation is horizontal.
aria-label Indicates the menu item text.
aria-disabled Indicates the state of menu item whether it is disabled.

Keyboard interaction

The Blazor Menu bar 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 Blazor Menu Bar component.

Press To do this
Esc Closes the sub Menu that contains focus and returns focus to the parent element.
Enter Opens the sub Menu if focused menu item has sub Menu, and places focus on its first item or activates the item and closes the sub menu.
Up Navigates up or to the previous menu item.
Down Navigates down or to the next menu item.
Left Closes the current sub menu and navigates to the parent menu.
Right Navigates and open the next sub menu.
Home Focuses the first item.
End Focuses the last item.

Ensuring accessibility

The Blazor Menu Bar component’s accessibility levels are ensured through an axe-core with playwright tests.

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

See also