details element The HTML details element (<details>) is used as a disclosure widget from which the user the retrieve additional information, input element Defines an input element, such as a text field control or button, within a form, dfn element Specifies that the enclosed text defines a term. 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':