Html elements noscript, mark, and em

noscript element Specifies alternative content to display if a client browser does not support scripts, mark element The HTML Mark Element (<mark>) represents highlighted text, i, em element Specifies that the enclosed text should be emphasized. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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noscript noscript and mark, noscript, mark, and em

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