Html elements select, ruby, and h1

select element Defines a selection list control in a form, ruby element Defines a container for Ruby Text, h1 element Heading Level 1. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

select select and ruby, select, ruby, and h1

Advanced example

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

You cannot advance example level further.