Html elements article, samp, and iframe

article element Self-contained composition in a document, samp element Specifies that the enclosed text is sample text and should be rendered in the browser appropriately, iframe element Defines an inline frame (ie a frame embedded in a document). These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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article article and samp, article, samp, and iframe

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