Html elements iframe, noscript, and audio

iframe element Defines an inline frame (ie a frame embedded in a document), noscript element Specifies alternative content to display if a client browser does not support scripts, audio element The audio element is used to embed sound content in an HTML or XHTML document. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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iframe iframe and noscript, iframe, noscript, and audio

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