Html elements iframe, textarea, and strong

iframe element Defines an inline frame (ie a frame embedded in a document), textarea element Defines a multi-line text input area, strong element Specifies that the enclosed text should be rendered in the browser as "strong" (usually bold) text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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iframe iframe and textarea, iframe, textarea, and strong

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