| <!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'); |
| t.step(() => { |
| assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented"); |
| }); |
| 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> |