To HTML Content Category Flow

Html elements details, h4, and br

details element The HTML details element (<details>) is used as a disclosure widget from which the user the retrieve additional information, h4 element Heading Level 4, br element Specifies a hard line break in the text. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

details details and h4, details, h4, and br

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 12.0safari 1.0Firefox N/Aie N/Aopera N/A