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web api interface

NotRestoredReasonDetails

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Limited availability

The NotRestoredReasonDetails interface of the Performance API represents a single reason why a navigated page was blocked from using the back/forward cache (bfcache).

An array of NotRestoredReasonDetails objects can be accessed via the reasons property.

Instance properties

  • reason Read only Experimental
    • : A string describing a reason that the page was blocked from using the back/forward cache.

Instance methods

  • toJSON() Experimental
    • : A serializer; returns a JSON representation of the NotRestoredReasonDetails object.

Examples

See Monitoring bfcache blocking reasons for examples.

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.

See also