This is a testharness.js-based test.
PASS In window.document with click event 
PASS In window.document with load event 
FAIL In window.document.cloneNode(true) assert_array_equals: targets lengths differ, expected 8 got 0
PASS In new Document() 
PASS In DOMImplementation.createHTMLDocument() 
Harness: the test ran to completion.