sheet-going-away-001.html

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This WPT test may be referenced by the following Test IDs:
- /css/selectors/invalidation/sheet-going-away-001.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>CSS Test: invalidation of class changes when the sheet the style depends on goes away</title>

<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">

<link rel="help" href="https://drafts.csswg.org/selectors-4/#invalid">

<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1432850">

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

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

<style>

  body { background: green; }

</style>

<style id="style">

  .red { background: red; }

</style>

<body class="red">

Should have a green background.

<script>

test(() => {

  document.body.offsetTop;

  assert_equals(getComputedStyle(document.body).backgroundColor, "rgb(255, 0, 0)");

  document.body.className = "";

  style.remove();

  assert_equals(getComputedStyle(document.body).backgroundColor, "rgb(0, 128, 0)");

}, "Style should be recomputed correctly when the stylesheet it depends on goes away");

</script>

</body>