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最后更新时间 (UTC)：2023-12-01。
[null,null,["最后更新时间 (UTC)：2023-12-01。"],[[["This documentation describes the `TracksChangedEvent` class within the Cast framework, specifically for web receiver applications."],["The `TracksChangedEvent` is triggered when the media tracks, such as audio or subtitles, have been modified or changed during playback."],["Developers can use this event to update the user interface or perform other actions based on track changes in their Cast application."]]],["The provided content describes the `TracksChangedEvent` class within the `cast.framework.events` namespace. This static class represents event data specifically for `cast.framework.events.EventType.TRACKS_CHANGED` events. It includes a constructor, `TracksChangedEvent`, which is initiated using `new TracksChangedEvent()`. This class is used to handle changes related to track events in the web receiver framework.\n"]]