File: view-transition-name-on-removed-element.html

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<!DOCTYPE html>
<html>
<title>View transitions: ensures view-transition-name is not tracked on element removed by script</title>
<link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/">
<link rel="author" href="mailto:khushalsagar@chromium.org">

<script src="/dom/events/scrolling/scroll_support.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<style>
#first {
  width: 100px;
  height: 100px;
  background: blue;
  view-transition-name: first;
}
</style>
<body>
  <div>
    <div id=first></div>
  </div>
</body>
<script>
promise_test(async t => {
  assert_implements(document.startViewTransition, "Missing document.startViewTransition");
  await waitForCompositorReady();
  return new Promise(async (resolve, reject) => {
    // Remove an uncontained element. Because this element is not visited when
    // discovering named elements, the transition is not skipped.
    first.remove();

    let transition = document.startViewTransition();
    await transition.ready;
    transition.finished.then(resolve, reject);
  });
}, "view-transition-name on an element removed by script should not be visited when discovering named elements");
</script>