To HTML Content Category Phrasing

Html elements canvas, meta, and iframe

canvas element The Canvas (<canvas>) HTML element can be used to draw graphics via scripting (usually JavaScript), meta element Specifies general high-level information about a document, 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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canvas canvas and meta, canvas, meta, and iframe

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