NotRestoredReasons: src property

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The src read-only property of the NotRestoredReasons interface returns a string representing the path to the source of the <iframe> the document is contained in (for example <iframe src="b.html">).