Html elements output, button, and command

output element The output (<output>) element represents the result of a calculation, button element Defines a clickable Button element, command element The command element represents a command which the user can invoke. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

output output and button, output, button, and command

Advanced example

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

You cannot advance example level further.