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">).
A string.
If the document is not in an <iframe>, src will return null.
See Monitoring bfcache blocking reasons for examples.
| Specification |
|---|
| HTML> # dom-not-restored-reasons-src> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
src |
125 | 125 | No | 111 | No | 125 | No | 83 | No | 27.0 | 125 | No |
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https://developer.mozilla.org/en-US/docs/Web/API/NotRestoredReasons/src