1 This test checks to see if the DOM ContainerNode's NodeList cache is correctly invalidated when new content is parsed. 2 3 If the test passes, you should see "before: not found", "after: found" and "onload: found". 4 5 If the cache is not invalidated when the testElement is parsed, both before and after will be "not found", which is a failure. 6 7 before: not found 8 after: found 9 onload: found 10 11