Html elements sub, iframe, and code

sub element Specifies that the enclosed text should be rendered in the browser as subscript, iframe element Defines an inline frame (ie a frame embedded in a document), 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.

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sub sub and iframe, sub, iframe, and code

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