Html elements sub, canvas, and strong

sub element Specifies that the enclosed text should be rendered in the browser as subscript, canvas element The Canvas (<canvas>) HTML element can be used to draw graphics via scripting (usually JavaScript), strong element Specifies that the enclosed text should be rendered in the browser as "strong" (usually bold) text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

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sub sub and canvas, sub, canvas, and strong

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