attr-invalidation.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-values/attr-invalidation.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>CSS Values and Units Test: attr() invalidation</title>

<meta name="assert" content="Test attr() invalidation">

<link rel="help" href="https://drafts.csswg.org/css-values/#attr-notation">

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

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

<style>

  div {

    width: attr(data-foo type(<length>));

</style>

<html>

  <body>

    <div id="div" data-foo="10px"></div>

  </body>

</html>

<script>

  setup({ single_test: true });

  let elem = document.getElementById("div");

  let old_width = window.getComputedStyle(elem).getPropertyValue("width");

  elem.setAttribute("data-foo", "30px");

  let new_width = window.getComputedStyle(elem).getPropertyValue("width");

  assert_not_equals(new_width, old_width);

  done();

</script>