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, code element Specifies that the enclosed text is programming code and should be formatted appropriately. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':