This tests that querySelector, querySelectorAll and matchesSelector (webkitMatchesSelector) work with elements that are not in a document yet. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS root.querySelector('div') is correctNode PASS root.querySelector('#testId') is correctNode PASS root.querySelectorAll('div').length is 1 PASS root.querySelectorAll('div').item(0) is correctNode PASS root.querySelectorAll('#testId').length is 1 PASS root.querySelectorAll('#testId').item(0) is correctNode PASS noChild.querySelector('div') is null PASS noChild.querySelectorAll('div').length is 0 PASS correctNode.webkitMatchesSelector('div') is true PASS correctNode.webkitMatchesSelector('#testId') is true PASS successfullyParsed is true TEST COMPLETE