br element Specifies a hard line break in the text, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section, 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':