2 <title>Document.onfullscreenchange</title>
3 <script src="../../resources/testharness.js"></script>
4 <script src="../../resources/testharnessreport.js"></script>
5 <script src="../trusted-event.js"></script>
10 var div = document.querySelector("div");
11 assert_equals(document.onfullscreenchange, null, "initial onfullscreenchange");
12 document.onfullscreenchange = t.step_func_done();