FeaturePolicy
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The FeaturePolicy interface represents the set of Permissions Policies applied to the current execution context.
Instance methods
FeaturePolicy.allowsFeature-
Returns a Boolean that indicates whether or not a particular feature is enabled in the specified context.
FeaturePolicy.features-
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.
FeaturePolicy.allowedFeatures-
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.
FeaturePolicy.getAllowlistForFeature-
Returns the allow for the specified feature.
Specifications
This feature does not appear to be defined in any specification.Browser compatibility
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FeaturePolicy
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allowedFeatures
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allowsFeature
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features
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getAllowlistForFeature
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Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- User must explicitly enable this feature.
- Uses a non-standard name