Html elements ruby, command, and sup

ruby element Defines a container for Ruby Text, command element The command element represents a command which the user can invoke, 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.

Restore previous example

ruby ruby and command, ruby, command, and sup

Advanced example

Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':

You cannot advance example level further.