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<!doctype html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../testcommon.js"></script>
<style>
@keyframes margin-left {
from { margin-left: 20px; }
to { margin-left: 80px; }
}
</style>
<body>
<div id="log"></div>
<script>
'use strict';
test(function(t) {
var div = addDiv(t, { style: 'transition: margin-left 100s; ' +
'margin-left: 80px' });
var cs = getComputedStyle(div);
assert_equals(cs.marginLeft, '80px', 'initial margin-left');
div.style.marginLeft = "20px";
assert_equals(cs.marginLeft, '80px', 'margin-left transition at 0s');
div.style.animation = "margin-left 2s";
assert_equals(cs.marginLeft, '20px',
'margin-left animation overrides transition at 0s');
div.style.animation = "none";
assert_equals(cs.marginLeft, '80px',
'margin-left animation stops overriding transition at 0s');
}, 'Animation overrides/stops overriding transition immediately');
</script>
</body>
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