The FeaturePolicy
interface of the Feature Policy API represents the set of policies applied to the current execution context.
The FeaturePolicy
interface of the Feature Policy API represents the set of policies applied to the current execution context.
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.
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Desktop | Mobile | |||||||||||
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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 |
No |
53 |
No |
11.0 |
allowedFeatures |
74 |
79 |
65 |
No |
62 |
No |
74 |
74 |
No |
53 |
No |
11.0 |
allowsFeature |
74 |
79 |
65 |
No |
62 |
No |
74 |
74 |
No |
53 |
No |
11.0 |
features |
74 |
79 |
70 |
No |
62 |
No |
74 |
74 |
No |
No |
No |
11.0 |
getAllowlistForFeature |
74 |
79 |
65 |
No |
62 |
No |
74 |
74 |
No |
53 |
No |
11.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/FeaturePolicy