1 Test TreeWalker with skipping 2 3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". 4 5 6 7 Testing nextSibling 8 PASS walker.firstChild(); walker.currentNode.id is 'B1' 9 PASS walker.nextSibling(); walker.currentNode.id is 'B3' 10 11 Testing previousSibling 12 PASS walker.previousSibling(); walker.currentNode.id is 'B1' 13 PASS successfullyParsed is true 14 15 TEST COMPLETE 16 17