iframe element Defines an inline frame (ie a frame embedded in a document), menu element The HTML menu element (<menu>) represents an unordered list of menu choices, or commands, 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.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':