Html elements keygen, nav, and script

keygen element The HTML keygen element exists to facilitate generation of key material, and submission of the public key as part of an HTML form, nav element The HTML Navigation Element (<nav>) represents a section of a page that links to other pages or to parts within the page: a section with navigation links, script element Specifies that the enclosed content is a client-side script. These elements allows child elements from interactive, embedded, heading, sectioning, phrasing, and metadata content categories.

Restore previous example

keygen keygen and nav, keygen, nav, and script

Advanced example

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

You cannot advance example level further.