File: computed-keyframes-shorthands.html

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<!doctype html>
<meta charset=utf-8>
<title>Calculating computed keyframes: Shorthand properties</title>
<link rel="help" href="https://drafts.csswg.org/web-animations-1/#calculating-computed-keyframes">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../../testcommon.js"></script>
<body>
<div id="log"></div>
<div id="target"></div>
<script>
'use strict';

test(t => {
  const div = createDiv(t);
  div.style.opacity = '0';

  const animation = div.animate({ all: 'initial' }, 100 * MS_PER_SEC);
  animation.currentTime = 50 * MS_PER_SEC;

  assert_approx_equals(
    parseFloat(getComputedStyle(div).opacity),
    0.5,
    0.0001,
    'Should be half way through an opacity animation'
  );
}, 'It should be possible to animate the all shorthand');

</script>
</body>