To HTML Content Category Flow

Html elements header, a, and wbr

header element The HTML Header Element (<header>) represents a group of introductory or navigational aids, a element Specifies either a hyperlink or a target for a hyperlink, wbr element For a block of text enclosed by nobr tags, indicates a place where a line break may occur. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

header header and a, header, a, and wbr

Advanced example

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

You cannot advance example level further.

HTML element example

Result from the Online TryIt-Editor
chrome 5.0safari 4.0Firefox 4.0ie N/Aopera N/A