Html elements video, output, and base

video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, output element The output (<output>) element represents the result of a calculation, base element Specifies a base URL for all of the relative URLs in the document to use. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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video video and output, video, output, and base

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