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remove-child-manual.html
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remove-child-manual.html
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<!DOCTYPE html>
<title>Remove the child of the fullscreen element</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="parent">
<div></div>
</div>
<script>
async_test(function(t)
{
t.add_cleanup(() => {
Promise.resolve(document.exitFullscreen()).catch(() => {});
});
var parent = document.getElementById("parent");
trusted_request(t, parent);
document.onfullscreenchange = t.step_func(function()
{
assert_equals(document.fullscreenElement, parent);
parent.textContent = ""; // removes all children
// The fullscreen element should not be affected.
assert_equals(document.fullscreenElement, parent);
document.onfullscreenchange = t.unreached_func("fullscreenchange event");
// A fullscreenchange event would be fired after an async section
// and an animation frame task, so wait until after that.
t.step_timeout(function()
{
requestAnimationFrame(t.step_func_done());
}, 0);
});
});
</script>