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The Comprehensive ARIA Development Suite

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�� DC.nearestHeadingLevel(context) Shorthand: DC.nearestHL(context) Description: Returns the number of the closest heading level in the reading order relative to the DC.wrapper element. Returns: Number. Note: If context is not specified, window.document will be used instead. If there are no headings prior to DC.wrapper in the reading order, 0 will be returned. Both native H1 through H6 headings and ARIA headings are recognized equally. Example: DC.nearestHeadingLevel();