Html elements bdo, abbr, and h1

bdo element Specifies the text direction for the document, abbr element Specifies that a string is an abbreviation for a longer word or phrase, h1 element Heading Level 1. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

bdo bdo and abbr, bdo, abbr, 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.