Html elements sup, script, and h3

sup element Specifies that the enclosed text should be rendered in the browser as superscript, script element Specifies that the enclosed content is a client-side script, h3 element Heading Level 3. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

sup sup and script, sup, script, and h3

Advanced example

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

You cannot advance example level further.