Html elements ruby, command, and object

ruby element Defines a container for Ruby Text, command element The command element represents a command which the user can invoke, object element Defines an object embedded in the document. 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 object

Advanced example

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

You cannot advance example level further.