Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The name read-only property of the NotRestoredReasons interface returns a string representing the name attribute value of the <iframe> the document is contained in (for example <iframe name="bar" src="...">).
A string.
If the document is not in an <iframe> or the <iframe> has no name set, name will return null.
See Monitoring bfcache blocking reasons for examples.