NotRestoredReasons: children 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 children read-only property of the
NotRestoredReasons interface returns an array of NotRestoredReasons objects, one for each child <iframe> embedded in the current document, which may contain reasons why the top-level frame was blocked relating to the child frames.
Each object has the same structure as the parent object — this way, any number of levels of embedded <iframe>s can be represented inside the object recursively.
Value
An array of NotRestoredReasons objects.
If the frame has no children, the array will be empty; if the document is in a cross-origin <iframe>, children will return null.
Examples
See Monitoring bfcache blocking reasons for examples.
Specifications
| Specification |
|---|
| HTML Standard # dom-not-restored-reasons-children |
Browser compatibility
BCD tables only load in the browser