wbr element For a block of text enclosed by nobr tags, indicates a place where a line break may occur, h2 element Heading Level 2, sup element Specifies that the enclosed text should be rendered in the browser as superscript. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':