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<!DOCTYPE html>
<title>Remove the last element on the fullscreen element stack</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../trusted-click.js"></script>
<div id="log"></div>
<div id="first">
<div id="last"></div>
</div>
<script>
async_test(function(t)
{
t.add_cleanup(() => {
Promise.resolve(document.exitFullscreen()).catch(() => {});
});
var first = document.getElementById("first");
trusted_request(t, first);
document.onfullscreenchange = t.step_func(function(event)
{
assert_equals(document.fullscreenElement, first);
assert_equals(event.target, first);
var last = document.getElementById("last");
trusted_request(t, last);
document.onfullscreenchange = t.step_func(function(event)
{
assert_equals(document.fullscreenElement, last);
assert_equals(event.target, last);
last.remove();
// Because /last/ was removed from the top layer, we exit
// fullscreen element synchronously.
assert_equals(document.fullscreenElement, first);
document.onfullscreenchange = t.step_func_done(function(event)
{
// fullscreen change element should be queued against the
// document target.
assert_equals(document.fullscreenElement, null);
assert_equals(event.target, document);
});
});
});
});
</script>
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