<!DOCTYPE HTML>
<meta charset=utf-8>
<title>nextElementSibling</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<h1>Test of nextElementSibling</h1>
<div id="log"></div>
<p id="parentEl">The result of <span id="first_element_child">this test</span> is <span id="last_element_child" style="font-weight:bold;">unknown.</span></p>
<script>
test(function() {
  var parentEl = document.getElementById("parentEl");
  var fec = document.getElementById("first_element_child");
  var nes = fec.nextElementSibling;
  assert_true(!!nes)
  assert_equals(nes.nodeType, 1)
  assert_equals(nes.getAttribute("id"), "last_element_child")
})
</script>