Accessibility in Blazor Input Mask Component

1 Apr 20243 minutes to read

The Blazor MaskedTextBox 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 MaskedTextBox 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 MaskedTextBox is characterized with complete ARIA Accessibility support that helps to access using on-screen readers and other assistive technology devices. This component is designed with the reference of the guidelines document given in WAI ARAI Accessibility practices.

The MaskedTextBox uses the textbox role and following ARIA properties for its element based on its state.

Property Functionality
aria-live Indicates the priority of updates to a live region.
aria-disabled Indicates the disabled state of the MaskedTextBox.
aria-valuenow Specifies the current value of the MaskedTextBox.
aria-invalid Indicates that the user input is incorrect or not within the acceptable ranges.
aria-placeholder It is a short hint to help the users with data entry when the MaskedTextBox has no value.
aria-labelledby Indicates the floating label element of the MaskedTextBox.

Ensuring accessibility

The Blazor MaskedTextBox component’s accessibility levels are ensured through an axe-core software tool during automated testing.

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

See also