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The MediaKeySystemAccess object provides access to a Key System.

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Properties

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keySystem

readonly keySystem: string Identifies the Key System being used. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemaccess-keysystem.

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Methods

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createMediaKeys()

createMediaKeys(): void | Promise<MediaKeys> Creates a new MediaKeys object for keySystem. For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemaccess-createmediakeys.

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Returns

void | Promise<MediaKeys> Promise, resolved when successfully created a MediaKeys, rejected otherwise.

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getConfiguration()

getConfiguration(): MediaKeySystemConfiguration Returns the supported combination of configuration options selected by requestMediaKeySystemAccess(). For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysystemaccess-getconfiguration.

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Returns

MediaKeySystemConfiguration MediaKeySystemConfiguration
Last modified on February 25, 2026