Accessibility in Blazor Stock Chart Component
28 Mar 20244 minutes to read
The Blazor Stock Chart 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 Stock Chart 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 | |
| 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.WAI-ARIA attributes
The Blazor Stock Chart component followed the WAI-ARIA patterns to meet the accessibility. The following ARIA attributes are used in the Blazor Stock Chart component:
- img (role)
- button (role)
- region (role)
- aria-label (attribute)
- aria-hidden (attribute)
- aria-pressed (attribute)
Keyboard interaction
The Blazor Stock Chart 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 Stock Chart component.
| Interaction Keys | Description |
|---|---|
| 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. |
| Down/Left Arrow | Moves the focus to the legend left side from the selected legend. |
| Up/Right Arrow | Moves the focus to the legend right side from the selected legend. |
| Enter/Space | Toggles the visibility of the corresponding series. |
| ESC | Cancel the tooltip for the data point. |
| Ctrl + P | Prints the Stock Chart. |
Ensuring accessibility
The Blazor Stock Chart component’s accessibility levels are ensured through an axe-core with playwright tests.
The accessibility compliance of the Blazor Stock Chart component is shown in the following sample. Open the sample in a new window to evaluate the accessibility of the Blazor Stock Chart component with accessibility tools.