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41 lines
1.3 KiB
HTML
41 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<div id="foo"></div>
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<script src="../../include.js"></script>
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<script>
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promiseTest(async () => {
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const foo = document.getElementById("foo");
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let anim = foo.animate({}, { duration: Infinity });
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anim.pause();
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anim.updatePlaybackRate(2.0);
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await animationFrame();
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if (anim.playbackRate !== 2.0)
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println("updatePlaybackRate() does nothing if the animation is pending");
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anim = foo.animate({}, {});
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anim.cancel();
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anim.updatePlaybackRate(2.0);
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if (anim.playbackRate === 2.0)
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println("updatePlaybackRate() updates an idle animation's playback rate immediately");
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anim = foo.animate({}, {});
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await animationFrame();
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anim.updatePlaybackRate(2.0);
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if (anim.playbackRate === 2.0)
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println("updatePlaybackRate() updates a running animation's playback rate after an animation frame");
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anim = foo.animate({}, {});
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anim.pause();
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await animationFrame();
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anim.updatePlaybackRate(2.0);
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if (anim.playbackRate === 2.0)
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println("updatePlaybackRate() updates a paused animation's playback rate after an animation frame");
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anim = foo.animate({}, {});
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anim.finish();
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await animationFrame();
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anim.updatePlaybackRate(2.0);
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if (anim.playbackRate === 2.0)
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println("updatePlaybackRate() updates a finished animation's playback rate after an animation frame");
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});
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</script>
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