element-render-blocking-003.html | Explore in Territory

<!DOCTYPE html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/utils.js"></script>
<title>Adding link in the head has an effect</title>

<script>
let link = document.createElement("link");
link.rel = "expect";
link.href = "#last";
link.blocking = "render";
document.head.appendChild(link)

async_test((t) => {
  requestAnimationFrame(() => {
    t.step(() => assert_true(!!document.getElementById("last")));
    t.done();
  });
}, "adding link in the head defers frames");
</script>
</head>
<body>
  <div id="first"></div>
  <script>
          generateParserDelay();
  </script>
  <div id="second"></div>
  <script>
          generateParserDelay();
  </script>
  <div id="last"></div>
</body>

chromium/third_party/blink/web_tests/external/wpt/html/dom/render-blocking/element-render-blocking-003.html