NotRestoredReasons: toJSON() method
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The toJSON()
method of the NotRestoredReasons
interface is a serializer; it returns a JSON representation of the NotRestoredReasons
object.
Syntax
js
toJSON()
Parameters
None.
Return value
A JSON
object that is the serialization of the NotRestoredReasons
object.
Examples
The following function will return a JSON representation of the NotRestoredReasons
object of the first PerformanceNavigationTiming
object currently present in the performance timeline:
js
function returnNRR() {
const navEntries = performance.getEntriesByType("navigation");
let navEntry = navEntries[0];
return navEntry.notRestoredReasons.toJSON();
}
Specifications
Specification |
---|
HTML Standard # notrestoredreasons |
Browser compatibility
BCD tables only load in the browser