h2 element Heading Level 2, 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, input element Defines an input element, such as a text field control or button, within a form. 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':