details element The HTML details element (<details>) is used as a disclosure widget from which the user the retrieve additional information, title element Specifies the title of the HTML document, mark element The HTML Mark Element (<mark>) represents highlighted text, i. 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':