To HTML Content Category Interactive

Html elements iframe, menu, and sup

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, sup element Specifies that the enclosed text should be rendered in the browser as superscript. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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iframe iframe and menu, iframe, menu, and sup

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