web api interface

FeaturePolicy

Limited availability

The FeaturePolicy interface represents the set of Permissions Policies applied to the current execution context.

Instance methods

allowsFeature Experimental
- : Returns a Boolean that indicates whether or not a particular feature is enabled in the specified context.
features Experimental
- : Returns a list of names of all features supported by the User Agent. Features whose names appear on the list might not be allowed by the Permissions Policy of the current execution context and/or might be restricted by user-granted permissions.
allowedFeatures Experimental
- : Returns a list of names of all features supported by the User Agent and allowed by the Permissions Policy. Note that features appearing on this list might still be behind a user permission.
getAllowlistForFeature Experimental
- : Returns the allow for the specified feature.

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibilityCompatibility data is available on the canonical MDN page.