The FeaturePolicy interface of the Feature Policy API represents the set of policies applied to the current execution context.

FeaturePolicy Methods


Returns a Boolean that indicates whether or not a particular feature is enabled in the specified context.


Returns a list of names of all features supported by the User Agent. Feature whose name appears on the list might not be allowed by the Feature Policy of the current execution context and/or might not be accessible because of user's permissions.


Returns a list of names of all features supported by the User Agent and allowed by the Feature Policy. Note that features appearing on this list might still be behind a user permission.


Returns the Allow list for the specified feature.


No specification found

No specification data found for api.FeaturePolicy.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.

Browser compatibility

BCD tables only load in the browser

See also