36 lines
1.3 KiB
HTML
36 lines
1.3 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>KeyframeEffect.iterationComposite</title>
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<link rel="help" href="https://drafts.csswg.org/web-animations/#dom-keyframeeffect-iterationcomposite">
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script src="../../testcommon.js"></script>
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<div id="log"></div>
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<script>
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'use strict';
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test(t => {
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const div = createDiv(t);
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const anim = div.animate({ marginLeft: ['0px', '10px'] },
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{ duration: 100 * MS_PER_SEC,
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easing: 'linear',
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iterations: 10,
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iterationComposite: 'accumulate' });
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anim.pause();
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anim.currentTime =
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anim.effect.getComputedTiming().duration * 2 +
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anim.effect.getComputedTiming().duration / 2;
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assert_equals(getComputedStyle(div).marginLeft, '25px',
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'Animated style at 50s of the third iteration');
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anim.effect.iterationComposite = 'replace';
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assert_equals(getComputedStyle(div).marginLeft, '5px',
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'Animated style at 50s of the third iteration');
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anim.effect.iterationComposite = 'accumulate';
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assert_equals(getComputedStyle(div).marginLeft, '25px',
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'Animated style at 50s of the third iteration');
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}, 'iterationComposite can be updated while an animation is in progress');
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</script>
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