Accessibility in Blazor CheckBox Component

28 Dec 20231 minute to read

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.

Checkbox provides built-in compliance with WAI-ARIA specifications. WAI-ARIA support is achieved through the attributes like aria-disabled. It helps the people with disabilities by providing information about the widget for assistive technology in the screen readers. Checkbox component contains the checkbox role.

Properties Functionality
role Indicates the type of input element.
aria-disabled Indicates that the element is perceivable but disabled, so it is not editable or otherwise operable.

Keyboard interaction

Keyboard shortcuts Actions
Space When the Checkbox has focus, pressing the Space key changes the state of the Checkbox.
@using Syncfusion.Blazor.Buttons

<SfCheckBox @bind-Checked="isChecked" Label="Checked State"></SfCheckBox><br />
<SfCheckBox @bind-Checked="isUnChecked" Label="Unchecked State"></SfCheckBox><br />
<SfCheckBox @bind-Checked="isMediateChecked" Indeterminate="true" Label="Intermediate State"></SfCheckBox>

@code {
    private bool isChecked = true;
    private bool isUnChecked = false;
    private bool isMediateChecked = false;

Accessibility in Blazor CheckBox