Html elements iframe, noscript, and ruby

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, ruby element Defines a container for Ruby Text. 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 ruby

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