tor-browser

The Tor Browser
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Element-previousElementSibling.html (782B)

      1 <!DOCTYPE HTML>
      2 <meta charset=utf-8>
      3 <title>previousElementSibling</title>
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <h1>Test of previousElementSibling</h1>
      7 <div id="log"></div>
      8 <p id="parentEl">The result of <span id="first_element_child">this test</span> is
      9 <span id="middle_element_child" style="font-weight:bold;">unknown.</span>
     10 
     11 
     12 
     13 <span id="last_element_child" style="display:none;">fnord</span> </p>
     14 <script>
     15 test(function() {
     16  var parentEl = document.getElementById("parentEl");
     17  var lec = document.getElementById("last_element_child");
     18  var pes = lec.previousElementSibling;
     19  assert_true(!!pes)
     20  assert_equals(pes.nodeType, 1)
     21  assert_equals(pes.getAttribute("id"), "middle_element_child")
     22 })
     23 </script>