ページの作成:「If the given benefit is not supported by the consumer agent, then throw a "NotSupportedError" DOMException.Set playbackRate to the new benefit, and if the component is pr…」
(ページの作成:「If the given benefit is not supported by the consumer agent, then throw a "NotSupportedError" DOMException.Set playbackRate to the new benefit, and if the component is pr…」)