Html elements video, ruby, and sub

video element The HTML  <video> element is used to embed video content in an HTML or XHTML document, ruby element Defines a container for Ruby Text, sub element Specifies that the enclosed text should be rendered in the browser as subscript. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

video video and ruby, video, ruby, and sub

Advanced example

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

You cannot advance example level further.