Html elements script, keygen, and em

script element Specifies that the enclosed content is a client-side script, keygen element The HTML keygen element exists to facilitate generation of key material, and submission of the public key as part of an HTML form, 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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script script and keygen, script, keygen, and em

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