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Blazor Splitter Accessibility

The Telerik UI for Blazor Splitter component is WCAG 2.1 AA and Section 508 compliant. The component also follows the WAI-ARIA best practices for implementing the keyboard navigation for its component role, and is tested against the popular screen readers.

Wai-Aria

Slitter Pane

Selector Attribute Usage
.k-pane role=group Sets the proper role for the Splitter pane that identifies a set of user interface objects that is not intended to be included in the page's summary or table of contents.

Note: The value of the aria-label attribute of the split-bar elements will be provided to their respective preceding pane element through the API.

SplitBar

Selector Attribute Usage
.k-splitbar role=separator Sets the proper role for the Splitter split-bar element.
aria-label An accessible name, with aria-label should be included if there is more than one focusable separator. The value is set through the corresponding SplitterPane API.
.k-splitbar-horizontal aria-orientation=vertical When a splitbar separates two panes horizontally, its aria-orientation must be explicitly set to 'vertical'.

Note: Setting the value-now attribute of the separator element is not applicable, as the Splitter is a complex layout component allowing splitting the content into multiple panes across any number and level of nested Splitters and panes, thus announcing a value would not convey any meaningful information.

Resources

WAI-ARIA specification for separator

MDN reference for the separator role

Section 508

The Splitter is compliant with the Section 508 requirements

Testing

The component has been extensively tested automatically with static code analyzers and manually with the most popular screen readers.

Any Accessibility Issues could be reported in Telerik Support System.

Screen Readers

Environment Tool
Firefox NVDA
Chrome JAWS
Microsoft Edge JAWS

See Also

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