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();