third_party/WebKit/LayoutTests/traversal/node-iterator-006.html

   1 <html>
   2 <head>
   3 <script src=traversal.js language="JavaScript" type="text/JavaScript" ></script>
   4 <title>Traversal Test</title>
   5 </head>
   6 <body>
   7 <div id="test"><span id="A"></span><span id="B"></span><span id="C"></span></div>
   8 <div style="font-family: Courier; font-size: 14;">
   9 <script>
  10 if (window.testRunner)
  11     testRunner.dumpAsText();
  12
  13 var root = document.getElementById('test');
  14
  15 function testNodeFiter(n)
  16 {
  17     if (n.tagName == 'SPAN') return NodeFilter.FILTER_ACCEPT;
  18     return NodeFilter.FILTER_SKIP;
  19 }
  20
  21 var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT, testNodeFiter, false);
  22 for (i = 0; i < 3; i++)
  23     it.nextNode();
  24  it.previousNode();
  25 document.write(dumpNodeIterator(it, "ref node 'C'; pointer before"));
  26
  27 // remove node 'C'
  28 document.write("<p>remove node 'C'");
  29 var D = document.getElementById('C');
  30 root.removeChild(D);
  31 document.write(dumpNodeIterator(it, "ref node 'B'; pointer after"));
  32 </script>
  33 </div>
  34 </body>
  35 </html>