|  | <!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> |