bdo element Specifies the text direction for the document, iframe element Defines an inline frame (ie a frame embedded in a document), canvas element The Canvas (<canvas>) HTML element can be used to draw graphics via scripting (usually JavaScript). These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.
Click the html element name in the punctuation list to advance the example in 'Tryit-Editor':