Content - 9f5362188842bcfb357b090f0d8feb860d1f96ea - 8d539a4/longtask-timing/longtask-in-sibling-iframe.html

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Tip revision: 2d080f1a7dd986dcd3f33a7676d30f367217d988 authored by Eric Willigers on 03 October 2017, 02:21:05 UTC
CSS Motion Path: begin path at offset-position

Tip revision: 2d080f1

longtask-in-sibling-iframe.html

<!DOCTYPE HTML>
<meta charset=utf-8>
<title>LongTask Timing: long task in sibling iframe</title>
<body>

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

<script>
  async_test(t => {
    window.addEventListener('message', t.step_func(e => {
      assert_equals(e.data, 'longtask+same-origin+script+child-iframe-id+' +
        'child-iframe-name+resources/subframe-with-longtask.html');
      t.done();
    }));
}, 'Performance longtask entries in parent are observable in child iframe.');
</script>

<iframe src="resources/subframe-observing-longtask.html"></iframe>

<script>
  /* Create an iframe that generates a long task. */
  const iframe = document.createElement('iframe');
  iframe.id = 'child-iframe-id';
  iframe.name = 'child-iframe-name';
  document.body.appendChild(iframe);
  iframe.src = 'resources/subframe-with-longtask.html'
</script>
</body>

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