script element Specifies that the enclosed content is a client-side script, 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, video element The HTML <video> element is used to embed video content in an HTML or XHTML document. 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':