[RuntimeEnabled=WebAnimationsAPI] attribute AnimationNode? source;
[RuntimeEnabled=WebAnimationsAPI] attribute double startTime;
[RuntimeEnabled=WebAnimationsAPI] attribute double currentTime;
- [RuntimeEnabled=WebAnimationsAPI] readonly attribute double timeLag;
[RuntimeEnabled=WebAnimationsAPI] attribute double playbackRate;
[RuntimeEnabled=WebAnimationsAPI] readonly attribute boolean paused;
[RuntimeEnabled=WebAnimationsAPI] readonly attribute boolean finished;