HTMLIFrameElement.featurePolicy

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The featurePolicy read-only property of the HTMLIFrameElement interface returns the FeaturePolicy interface which provides a simple API for introspecting the feature policies applied to a specific frame.

Syntax

var policy = HTMLIFrameElement.featurePolicy

Value

A FeaturePolicy object that can be used to inspect the Feature Policy settings applied to the frame.

Specification

Specification	Status	Comment
Feature Policy	Editor's Draft	Initial definition.

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`featurePolicy` Experimental	Chrome Full support 74 Notes Full support 74 Notes Notes Chrome Platform Status incorrectly describes this variable as `document.policy`. It was renamed in bug 917057 before being shipped in bug 703703. No support 73 — 74 Disabled Disabled From version 73 until version 74 (exclusive): this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`). To change preferences in Chrome, visit chrome://flags. No support 69 — 73 Alternate Name Disabled Alternate Name Uses the non-standard name: `policy` Disabled From version 69 until version 73 (exclusive): this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`). To change preferences in Chrome, visit chrome://flags.	Edge Full support 79 Notes Full support 79 Notes Notes Edge Platform Status incorrectly describes this variable as `document.policy`. It was renamed in bug 917057 before being shipped in bug 703703.	Firefox Full support 69 Disabled Full support 69 Disabled Disabled From version 69: this feature is behind the `dom.security.featurePolicy.webidl.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config. No support 65 — 69 Alternate Name Disabled Alternate Name Uses the non-standard name: `policy` Disabled From version 65 until version 69 (exclusive): this feature is behind the `dom.security.featurePolicy.webidl.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	IE No support No	Opera Full support 62 Full support 62 No support 60 — 62 Disabled Disabled From version 60 until version 62 (exclusive): this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`). No support 56 — 60 Alternate Name Disabled Alternate Name Uses the non-standard name: `policy` Disabled From version 56 until version 60 (exclusive): this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`).	Safari No support No	WebView Android Full support 74 Notes Full support 74 Notes Notes Chrome Platform Status incorrectly describes this variable as `document.policy`. It was renamed in bug 917057 before being shipped in bug 703703.	Chrome Android Full support 74 Notes Full support 74 Notes Notes Chrome Platform Status incorrectly describes this variable as `document.policy`. It was renamed in bug 917057 before being shipped in bug 703703. No support 73 — 74 Disabled Disabled From version 73 until version 74 (exclusive): this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`). To change preferences in Chrome, visit chrome://flags. No support 69 — 73 Alternate Name Disabled Alternate Name Uses the non-standard name: `policy` Disabled From version 69 until version 73 (exclusive): this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`). To change preferences in Chrome, visit chrome://flags.	Firefox Android Full support 65 Alternate Name Disabled Full support 65 Alternate Name Disabled Alternate Name Uses the non-standard name: `policy` Disabled From version 65: this feature is behind the `dom.security.featurePolicy.webidl.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	Opera Android Full support 48 Alternate Name Disabled Full support 48 Alternate Name Disabled Alternate Name Uses the non-standard name: `policy` Disabled From version 48: this feature is behind the `#enable-experimental-productivity-features` preference (needs to be set to `Enabled`).	Safari iOS No support No	Samsung Internet Android Full support 11.0

Legend

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.: Experimental. Expect behavior to change in the future.
See implementation notes.: See implementation notes.
User must explicitly enable this feature.: User must explicitly enable this feature.
Uses a non-standard name.: Uses a non-standard name.