| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <title>DOM Traversal: NodeIterator: Filters</title> |
| <script type="text/javascript"> <![CDATA[ |
| function doTest() { |
| if (window.testRunner) testRunner.dumpAsText(); |
| var iterator = document.createNodeIterator(document, NodeFilter.SHOW_ALL, testFilter, false); |
| // skips text nodes and body element |
| var expected = new Array(9, // document |
| 1, // html |
| 1, // head |
| 1, // title |
| 1, 4, // script and CDATA block |
| // body (skipped) |
| 1, // pre |
| // </body> |
| 8, // <!-- --> |
| // PI skipped |
| 4); // CDATA |
| var found = new Array(); |
| |
| // walk document |
| var node; |
| while (node = iterator.nextNode()) |
| found.push(node.nodeType); |
| |
| // check results |
| var errors = 0; |
| var s = ''; |
| var length = (found.length > expected.length) ? found.length : expected.length; |
| s += 'EXPECTED FOUND\n'; |
| for (var i = 0; i < length; i += 1) { |
| s += ' ' + (expected[i] ? expected[i] : '-') + |
| ' ' + (found[i] ? found[i] : '-'); |
| if (found[i] != expected[i]) { |
| s += ' MISMATCH'; |
| errors += 1; |
| } |
| s += '\n'; |
| } |
| var p = document.getElementsByTagNameNS('http://www.w3.org/1999/xhtml', 'pre')[0]; |
| if (errors) |
| p.firstChild.data = 'FAIL: ' + errors + ' errors found:\n\n' + s; |
| else |
| p.firstChild.data = 'PASS'; |
| } |
| |
| function testFilter(n) { |
| if (n.nodeType == 3) { |
| return NodeFilter.FILTER_SKIP; |
| } else if (n.nodeName == 'body') { |
| return NodeFilter.FILTER_REJECT; // same as _SKIP |
| } |
| return 1; // FILTER_ACCEPT |
| } |
| |
| ]]></script> |
| </head> |
| <body onload="doTest()"> |
| <pre id="result">FAIL: Script failed to run.</pre> |
| </body> |
| <!-- some more nodes to test this: --> |
| <?body test?> |
| <![CDATA[ ]]> |
| </html> |
