Description
A major thematic section of content in a work.
Examples
Example 1 — Chapter with a heading
The label is identified in the aria-labelledby attribute.
<section role="doc-chapter" aria-labelledby=c01-hd">
<h2 id="c01-hd">Chapter 1</h2>
…
</section>Relation to ARIA
doc-chapter is a landmark role.
Usage
doc-chapter is typically used on section elements.
A label must be provided for the role using one of the aria-labelledby,
aria-label or title attributes.
For a simplified list of all the elements the role is allowed on, refer to the mapping table in the EPUB Type to ARIA Role Authoring Guide. For the official list of allowed elements, refer to ARIA in HTML.