1 description('Test TreeWalker with skipping'); 2 3 var walker; 4 var testElement = document.createElement("div"); 5 testElement.innerHTML='<div id="A1"><div id="B1" class="keep"></div><div id="B2">this text matters</div><div id="B3" class="keep"></div></div>'; 6 7 var filter = { 8 acceptNode: function(node) { 9 if (node.className == 'keep') 10 return NodeFilter.FILTER_ACCEPT; 11 12 return NodeFilter.FILTER_SKIP; 13 } 14 } 15 16 debug("<br>Testing nextSibling") 17 walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false); 18 shouldBe("walker.firstChild(); walker.currentNode.id", "'B1'"); 19 shouldBe("walker.nextSibling(); walker.currentNode.id", "'B3'"); 20 21 debug("<br>Testing previousSibling") 22 walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter, false); 23 walker.currentNode = testElement.querySelectorAll('#B3')[0]; 24 shouldBe("walker.previousSibling(); walker.currentNode.id", "'B1'"); 25 26 27 var successfullyParsed = true; 28
