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The DocumentTimeline constructor used the current millisecond time to initialize its currentTime, but that means that a newly created timeline would always have a different time value than other timelines that have been through the update_animations_and_send_events function.
18 lines
812 B
HTML
18 lines
812 B
HTML
<!DOCTYPE html>
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<script src="../../include.js"></script>
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<script>
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test(() => {
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function timesAreClose(a, b) {
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return Math.abs(a - b) <= 1;
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}
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let timeline = new DocumentTimeline();
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println(`new timeline time equals document timeline time: ${timesAreClose(timeline.currentTime, document.timeline.currentTime)}`);
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timeline = new DocumentTimeline({ originTime: 0 });
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println(`new timeline originTime defaults to 0: ${timesAreClose(timeline.currentTime, document.timeline.currentTime)}`);
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timeline = new DocumentTimeline({ originTime: 1000 });
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let passed = timesAreClose(timeline.currentTime + 1000, document.timeline.currentTime);
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println(`new timeline originTime offsets from document timeline: ${passed}`)
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});
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</script>
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