s element Specifies that the enclosed text should be rendered in the browser with a line drawn through it, hgroup element The HTML Headings Group Element (<hgroup>) represents the heading of a section, ruby element Defines a container for Ruby Text. 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':