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Html elements keygen, h4, and output

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, h4 element Heading Level 4, output element The output (<output>) element represents the result of a calculation. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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keygen keygen and h4, keygen, h4, and output

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