<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Transitions: getComputedStyle().transitionDuration</title>
<link rel="help" href="https://drafts.csswg.org/css-transitions/#propdef-transition-duration">
<meta name="assert" content="transition-duration converts to seconds.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
</head>
<body>
<div id="target"></div>
<script>
test_computed_value("transition-duration", "500ms", "0.5s");
test_computed_value("transition-duration", "calc(2 * 3s)", "6s");
test_computed_value("transition-duration", "20s, 10s");
</script>
</body>
</html>