<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>display: contents</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#css-styling">
<meta name="assert" content="Verify that display: contents computes to display: none">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/mathml/support/mathml-fragments.js"></script>
<script>
  setup({ explicit_done: true });
  window.addEventListener("load", runTests);
  function runTests() {
      var container = document.getElementById("container");
      for (tag in MathMLFragments) {
          container.insertAdjacentHTML("beforeend", `<math>${MathMLFragments[tag]}</math>`);
      }
      test(function() {
          Array.from(document.getElementsByClassName("element")).forEach(element => {
              var style = window.getComputedStyle(element);
              element.setAttribute("style", "display: contents");
              assert_equals(style.getPropertyValue("display"), "none", `${tag}`);
          });
      }, "display: contents computes to display: none");
      done();
  }
</script>
</head>
<body>
  <div id="log"></div>
  <div id="container">
    <math class="element"></math>
  </div>
</body>
</html>
