html/webappapis/dynamic-markup-insertion/html-unsafe-methods/Element-setHTMLUnsafe-04.html

<!DOCTYPE html>
<title>setHTMLUnsafe in HTML</title>
<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">
<link rel=author href="mailto:jarhar@chromium.org">
<!-- This test was adapted from innerhtml-04.html -->
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
function testIsChild(p, c) {
  assert_equals(p.firstChild, c);
  assert_equals(c.parentNode, p);
}
test(function() {
  var p = document.createElement('p');
  var b = p.appendChild(document.createElement('b'));
  var t = b.appendChild(document.createTextNode("foo"));
  testIsChild(p, b);
  testIsChild(b, t);
  assert_equals(t.data, "foo");
  p.setHTMLUnsafe("");
  testIsChild(b, t);
  assert_equals(t.data, "foo");
}, "setHTMLUnsafe should leave the removed children alone.")
</script>