Html elements keygen, nav, and noscript

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, noscript element Specifies alternative content to display if a client browser does not support scripts. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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keygen keygen and nav, keygen, nav, and noscript

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