Accessibility in Blazor ContextMenu Component
18 Feb 20221 minute to read
ARIA attributes
The web accessibility makes web content and web applications more accessible for people with disabilities. It especially helps in dynamic content change and development of advanced user interface controls with AJAX, HTML, JavaScript, and related technologies.
Context Menu provides built-in compliance with WAI-ARIA
specifications. WAI-ARIA
support is achieved through the attributes like aria-expanded
and aria-haspopup
applied for menu item in Context Menu. It helps the people with disabilities by providing information about the widget for assistive technology in the screen readers. Context Menu component contains the menu
role and menuItem
role.
Properties | Functionality |
---|---|
menu | This role will be specified for an item that has a sub-menu. |
menuItem | This role will be specified for an item that does not have sub-menus. |
aria-haspopup | Indicates the availability and type of interactive popup element. |
aria-expanded | Indicates whether the subtree can be expanded or collapsed, as well as indicates whether its current state is expanded or collapsed. |
Keyboard interaction
Keyboard shortcuts | Actions |
Esc | Closes the opened ContextMenu. |
Enter | Selects the focused item. |
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 opens the next sub menu. |