MediaKeySessionType

MediaKeySessionType: "temporary" | "persistent-license"

Specifies the type of Media Key Session.

temporary:

A session for which the license, key(s), and record of or data related to the session are not persisted.

persistent-license:

 A session for which the license (and potentially other data related to the session) are persisted

For more information, see https://www.w3.org/TR/encrypted-media/#dom-mediakeysessiontype.

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Last updated: Jul 22, 2026