| <!DOCTYPE HTML> | 
 | <meta charset=utf-8> | 
 | <title>ElementTiming: element is only exposed for fully active documents.</title> | 
 | <body> | 
 | <script src="/resources/testharness.js"></script> | 
 | <script src="/resources/testharnessreport.js"></script> | 
 | <iframe src="resources/iframe-stores-entry.html" id="ifr"></iframe> | 
 | <script> | 
 |  let t = async_test('Only expose element attribute for fully active documents'); | 
 |  window.triggerTest = t.step_func_done(elementEntry => { | 
 |  assert_not_equals(elementEntry.element, null); | 
 |  const iframe = document.getElementById('ifr'); | 
 |  iframe.remove(); | 
 |  assert_equals(elementEntry.element, null); | 
 |  }); | 
 | </script> | 
 | </body> |