The HTML summary element (<summary>) is used as a summary, caption or legend for the content of a <details> element.

This is an experimental technology.

Browser conpatibility:
Desktop: C
Mobile: A

Note: 
If the <summary> element is omitted the heading "details" will be used.

Permitted content:
Phrasing content.

Tag omission:
None, both the start tag and the end tag are mandatory.

Permitted parent element:
The <details> element.
