To HTML Content Category Interactive

Html elements iframe, textarea, and iframe

iframe element Defines an inline frame (ie a frame embedded in a document), textarea element Defines a multi-line text input area, 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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iframe iframe and textarea, iframe, textarea, and iframe

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chrome 1.0safari 1.0Firefox 1.0ie 3.0opera 5.0