cssstyledeclaration-mutationrecord-001.html

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This WPT test may be referenced by the following Test IDs:
- /css/cssom/cssstyledeclaration-mutationrecord-001.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>CSSOM: CSSStyleDeclaration.setPropertyValue queues a mutation record when changed</title>

<link rel="help" href="https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-setpropertyvalue">

<link rel="help" href="https://drafts.csswg.org/cssom/#update-style-attribute-for">

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

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

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

<script>

  document.documentElement.style.top = "0px";

  let test = async_test("CSSStyleDeclaration.setPropertyValue queues a mutation record when serialization is changed");

  let m = new MutationObserver(function(r) {

    assert_equals(r.length, 1);

    test.done();

});

  m.observe(document.documentElement,  { attributes: true });

  document.documentElement.style.top = "1px";

</script>