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43 lines
1.3 KiB
HTML
43 lines
1.3 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>AnimationEffect.getKeyframes() for CSS transitions of the width and height properties</title>
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<link rel="help" href="https://drafts.csswg.org/css-transitions-2/#csstransition">
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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="support/helper.js"></script>
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<style>
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.animated-div {
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width: 100px;
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height: 100px;
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}
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</style>
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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 = addDiv(t, { class: 'animated-div' });
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div.style.transition = 'width 10s';
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getComputedStyle(div).width;
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div.style.width = '200px';
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const keyframes = div.getAnimations()[0].effect.getKeyframes();
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assert_equals(keyframes[0].width, "100px", 'from keyframe value');
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assert_equals(keyframes[1].width, "200px", 'to keyframe value');
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}, 'getKeyframes() output for a width transition');
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test(t => {
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const div = addDiv(t, { class: 'animated-div' });
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div.style.transition = 'height 10s';
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getComputedStyle(div).height;
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div.style.height = '200px';
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const keyframes = div.getAnimations()[0].effect.getKeyframes();
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assert_equals(keyframes[0].height, "100px", 'from keyframe value');
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assert_equals(keyframes[1].height, "200px", 'to keyframe value');
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}, 'getKeyframes() output for a height transition');
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</script>
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