aria-describedby.html | Explore in Territory

<!DOCTYPE HTML>
<html>

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

<body>
  <div class="container">
    <input id="input-1" aria-describedby="x-description-1">
    <x-description-1 id="x-description-1">
      <template shadowrootmode="closed" shadowrootreferencetarget="description-1">
        <span>FAIL IF INCLUDED</span>
        <span id="description-1">Description 1</span>
      </template>
      </x-listbox1>
  </div>

  <script>
    test(function (t) {
      const axInput = accessibilityController.accessibleElementById("input-1");
      assert_equals(axInput.description, "Description 1");
    }, "Input with aria-activedescendant targeting a declarative custom element.");
  </script>


</body>

</html>

chromium/third_party/blink/web_tests/shadow-dom/reference-target/tentative/aria-describedby.html