FeaturePolicy

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

FeaturePolicy 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. 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.

FeaturePolicy.allowedFeatures

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.

FeaturePolicy.getAllowlistForFeature

Returns the Allow list for the specified feature.

Specifications

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Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
FeaturePolicy
74
79
65
No
62
No
74
74
65
53
No
11.0
allowedFeatures
74
79
65
No
62
No
74
74
65
53
No
11.0
allowsFeature
74
79
65
No
62
No
74
74
65
53
No
11.0
features
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79
70
No
62
No
74
74
No
No
No
11.0
getAllowlistForFeature
74
79
65
No
62
No
74
74
65
53
No
11.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/FeaturePolicy