third_party/WebKit/LayoutTests/traversal/tree-walker-002.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">
   9     <span id="A.1">
  10     </span>
  11     <span id="A.2">
  12     </span>
  13     <span id="A.3">
  14     </span>
  15 </span>
  16 <span id="B">
  17     <span id="B.1">
  18         <span id="B.1.1">
  19         </span>
  20     </span>
  21 </span>
  22 <span id="C">
  23     <span id="C.1">
  24         <span id="C.1.1">
  25             <span id="C.1.1.1">
  26             </span>
  27             <span id="C.1.1.2">
  28             </span>
  29             <span id="C.1.1.3">
  30             </span>
  31         </span>
  32         <span id="C.1.2">
  33             <span id="C.2.1">
  34             </span>
  35         </span>
  36     </span>
  37 </span>
  38 <span id="D">
  39 </span>
  40 </div>
  41 <div style="font-family: Courier; font-size: 14; white-space: pre">
  42 <script>
  43 if (window.testRunner)
  44     testRunner.dumpAsText();
  45
  46 var root = document.getElementById('test');
  47 var start = document.getElementById('B');
  48
  49 function testNodeFiter(n)
  50 {
  51     if (n.tagName == 'SPAN') return NodeFilter.FILTER_ACCEPT;
  52     return NodeFilter.FILTER_SKIP;
  53 }
  54
  55 var tw = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT, testNodeFiter, false);
  56 tw.previousNode();
  57 document.write(dumpTreeWalker(tw, start));
  58 </script>
  59 </div>
  60 </body>
  61 </html>