third_party/WebKit/LayoutTests/traversal/tree-walker-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">
   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 id="B.1.2">
  21         </span>
  22     </span>
  23     <span id="B.2">
  24         <span id="B.2.1">
  25         </span>
  26     </span>
  27 </span>
  28 <span id="C">
  29     <span id="C.1">
  30         <span id="C.1.1">
  31             <span id="C.1.1.1">
  32             </span>
  33             <span id="C.1.1.2">
  34             </span>
  35             <span id="C.1.1.3">
  36             </span>
  37         </span>
  38         <span id="C.1.2">
  39             <span id="C.2.1">
  40             </span>
  41         </span>
  42     </span>
  43 </span>
  44 <span id="D">
  45 </span>
  46 </div>
  47 <div style="font-family: Courier; font-size: 14; white-space: pre">
  48 <script>
  49 if (window.testRunner)
  50     testRunner.dumpAsText();
  51
  52 var root = document.getElementById('test');
  53 var start = document.getElementById('A');
  54
  55 function testNodeFiter(n)
  56 {
  57     if (n.tagName == 'SPAN')
  58         return NodeFilter.FILTER_ACCEPT;
  59     return NodeFilter.FILTER_SKIP;
  60 }
  61
  62 var tw1 = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT, testNodeFiter, false);
  63 document.write(dumpTreeWalker(tw1, start));
  64
  65 var tw2 = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT, testNodeFiter, false);
  66 document.write(dumpTreeWalker(tw2, start, document.getElementById('D'), true));
  67
  68 </script>
  69 </div>
  70 </body>
  71 </html>