1 Test for a specific problem with previousNode that failed in older versions of WebKit. 2 3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". 4 5 6 PASS walker.firstChild(); walker.currentNode.id is 'A1' 7 PASS walker.nextNode(); walker.currentNode.id is 'B1' 8 PASS walker.nextNode(); walker.currentNode.id is 'C1' 9 PASS walker.nextNode(); walker.currentNode.id is 'B2' 10 PASS walker.previousNode(); walker.currentNode.id is 'C1' 11 PASS successfullyParsed is true 12 13 TEST COMPLETE 14 15