To HTML Content Category Heading

Html elements h1, bdo, and span

h1 element Heading Level 1, bdo element Specifies the text direction for the document, span element Span element used to surround content blocks for formatting. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

h1 h1 and bdo, h1, bdo, and span

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 1.0safari 1.0Firefox 1.0ie 5.0opera 7.0