Accessibility in Angular Toolbar component
22 Sep 20255 minutes to read
The Angular Toolbar component has been designed keeping in mind the WAI-ARIA specifications, and applies the WAI-ARIA roles, states, and properties along with keyboard support for people who use assistive devices. WAI-ARIA accessibility support is achieved through attributes like aria-label and aria-orientation. It provides information about elements in a document for assistive technology. The component implements keyboard navigation support by following the WAI-ARIA practices, and has been tested in major screen readers.
The accessibility compliance for the Toolbar component is outlined below.
| Accessibility Criteria | Compatibility |
|---|---|
| WCAG 2.2 Support |  |
| Section 508 Support | |
| Screen Reader Support | |
| Right-To-Left Support | |
| Color Contrast | |
| Mobile Device Support | |
| Keyboard Navigation Support | |
| Accessibility Checker Validation | |
| Axe-core Accessibility Validation | |
- All features of the component meet the requirement.
- Some features of the component do not meet the requirement.
- The component does not meet the requirement.ARIA attributes
The Toolbar component is designed by considering WAI-ARIA standards. Toolbar is supported with ARIA Accessibility which is accessible by screen readers and other assistive technology devices. The following list of attributes are added in the Toolbar.
| Property | Functionalities |
|---|---|
| role=”toolbar” | This attribute is set to the Toolbar element and describes the actual role of the element. |
| aria-orientation | This attribute is set to the Toolbar element to indicate the Toolbar orientation. Default value is horizontal. |
| aria-label | This attribute is set to the Toolbar element and describes the purpose of the set of toolbar. |
| aria-expanded | This attribute is set to the Toolbar popup element to indicate the expanded state of the popup. |
| aria-haspopup | This attribute is set to the popup element to indicate the popup mode of the Toolbar. Default value is false. When popup mode is enabled, attribute value has to be changed to true. |
| aria-disabled | This attribute is set to the Toolbar element to indicate the disabled state of the Toolbar. |
Keyboard interaction
Keyboard navigation is enabled by default. Possible keys are:
| Key | Description |
|---|---|
| Left | Focuses the previous element. |
| Right | Focuses the next element. |
| Enter | When focused on a Toolbar command, clicking the key triggers the click of Toolbar element. When popup drop-down icon is focused, the popup opens. |
| Esc(Escape) | Closes popup. |
| Down | Focuses the next popup element. |
| Up | Focuses the previous popup element. |
| Home | Moves focus to the first Toolbar element. |
| End | Moves focus to the last Toolbar element. |
| Tab | Moves focus through the interactive elements. |
| Shift + Tab | Moves focus through the interactive elements in reverse order. |
Ensuring accessibility
The Toolbar component’s accessibility levels are ensured through an accessibility-checker and axe-core software tools during automated testing.
The accessibility compliance of the Toolbar component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Toolbar component with accessibility tools.