third_party/WebKit/LayoutTests/traversal/node-iterator-004.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">
   8 <span id="A"></span><span id="B"></span><span id="C"></span><span id="D"></span><span id="E"></span><span id="F"></span><span id="G"></span><span id="H"></span><span id="I"></span>
   9 </div>
  10 <div style="font-family: Courier; font-size: 14;">
  11 <script>
  12 if (window.testRunner)
  13     testRunner.dumpAsText();
  14
  15 var root = document.getElementById('test');
  16
  17 function testNodeFiter(n)
  18 {
  19     if (n.tagName == 'SPAN') return NodeFilter.FILTER_ACCEPT;
  20     return NodeFilter.FILTER_SKIP;
  21 }
  22
  23 var it = document.createNodeIterator(root, NodeFilter.SHOW_ELEMENT, testNodeFiter, false);
  24 for (i = 0; i < 5; i++)
  25     it.nextNode();
  26 it.previousNode();
  27 document.write(dumpNodeIterator(it, "ref node 'E'; pointer before"));
  28
  29 // remove node 'E'
  30 document.write("<p>remove node 'E'");
  31 root.removeChild(document.getElementById('E'));
  32 document.write(dumpNodeIterator(it, "ref node 'F'; pointer before"));
  33 </script>
  34 </div>
  35 </body>
  36 </html>