File: Element-childElementCount-dynamic-add.html

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<!DOCTYPE HTML>
<meta charset=utf-8>
<title>Dynamic Adding of Elements</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<h1>Test of Dynamic Adding of Elements</h1>
<div id="log"></div>
<p id="parentEl">The result of this test is
<span id="first_element_child" style="font-weight:bold;">logged above.</span></p>
<script>
test(function() {
  var parentEl = document.getElementById("parentEl");
  var newChild = document.createElement("span");
  parentEl.appendChild(newChild);
  assert_equals(parentEl.childElementCount, 2)
})
</script>