keygen element The HTML keygen element exists to facilitate generation of key material, and submission of the public key as part of an HTML form, nav element The HTML Navigation Element (<nav>) represents a section of a page that links to other pages or to parts within the page: a section with navigation links, details element The HTML details element (<details>) is used as a disclosure widget from which the user the retrieve additional information. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
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