style-applies.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

<script src='/resources/testharness.js'></script>

<script src='/resources/testharnessreport.js'></script>

<body>

</body>

<script>

'use strict';

promise_test(async t => {

  const link = document.createElement("link");

  link.href = "data:text/css,body{background: green}";

  link.rel = "stylesheet";

  t.add_cleanup(() => link.remove());

  document.body.append(link);

  const backgroundColorBefore = getComputedStyle(document.body).backgroundColor;

  document.body.moveBefore(link, null);

  assert_equals(getComputedStyle(document.body).backgroundColor, backgroundColorBefore);

}, "Moving a style inside the document should not affect whether it's applied");

</script>

</html>