This tag defines a visible heading for the <details> element. The heading can be clicked to view or hide the details.

The <sup> tag defines superscript text. Superscript text appears half a character above the normal line, and is sometimes rendered in a smaller font. Superscript text can be used for footnotes, like WWW^[1].

This tag keeps the content hidden from the client, the content can be made visible and rendered later by using JavaScript and rendered multiple times.

This tag defines a human-readable date or time. This tag can help search engines produce smarter search results.

This tag is used to defines a variable in programming or in a mathematical expression. The content inside is typically displayed in italic.

This tag specifies where in a text it would be ok to add a line-break when resized.