Html elements iframe, nav, and progress

iframe element Defines an inline frame (ie a frame embedded in a document), nav element The HTML Navigation Element (<nav>) represents a section of a page that links to other pages or to parts within the page: a section with navigation links, progress element The HTML progress (<progress>) element is used to view the completion progress of a task. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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iframe iframe and nav, iframe, nav, and progress

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