Html elements h3, video, and output

h3 element Heading Level 3, 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. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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h3 h3 and video, h3, video, and output

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