Html elements h2, base, and output

h2 element Heading Level 2, base element Specifies a base URL for all of the relative URLs in the document to use, output element The output (<output>) element represents the result of a calculation. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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h2 h2 and base, h2, base, and output

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