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The MediaKeys object represents a set of keys that an associated HTMLMediaElement can use for decryption of media data during playback. It also represents a CDM instance.
For more information, see https://www.w3.org/TR/encrypted-media/#mediakeys-interface

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Methods

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createSession()

createSession(sessionType?): MediaKeySession Creates a new MediaKeySession object. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeys-createsession.

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Parameters

sessionType?
MediaKeySessionType The type of session to create. The session type affects the behavior of the returned object.

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Returns

MediaKeySession

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getStatusForPolicy()

getStatusForPolicy(policy?): Promise<MediaKeyStatus> Returns a MediaKeyStatus for a given MediaKeysPolicy. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeys-getstatusforpolicy

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Parameters

policy?
MediaKeysPolicy

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Returns

Promise<MediaKeyStatus>
Last modified on February 25, 2026