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https://dom.spec.whatwg.org/#interface-eventtarget

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Extends

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Properties

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activeSourceBuffers

readonly activeSourceBuffers: SourceBufferList For additional information, see https://www.w3.org/TR/media-source-2/#dom-mediasource-activesourcebuffers.

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duration

duration: number For additional information, see https://www.w3.org/TR/media-source-2/#dom-mediasource-duration.
Last modified on February 25, 2026