MediaKeyMessageEvent: message property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2019.

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Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The MediaKeyMessageEvent.message read-only property returns an ArrayBuffer with a message from the content decryption module. Messages vary by key system.

Value

An ArrayBuffer.

Specifications

Specification
Encrypted Media Extensions # dom-mediakeymessageevent-message

Browser compatibility

BCD tables only load in the browser