tor-browser

The Tor Browser
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Element-siblingElement-null.html (585B)

      1 <!DOCTYPE HTML>
      2 <meta charset=utf-8>
      3 <title>Null test</title>
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <h1>Test of previousElementSibling and nextElementSibling returning null</h1>
      7 <div id="log"></div>
      8 <p id="parentEl">The result of this test is <span id="first_element_child" style="font-weight:bold;">unknown.</span></p>
      9 <script>
     10 test(function() {
     11  var fec = document.getElementById("first_element_child");
     12  assert_equals(fec.previousElementSibling, null)
     13  assert_equals(fec.nextElementSibling, null)
     14 })
     15 </script>