2 <title>Document.onfullscreenerror
</title>
3 <script src=
"../../resources/testharness.js"></script>
4 <script src=
"../../resources/testharnessreport.js"></script>
9 assert_equals(document
.onfullscreenerror
, null, "initial onfullscreenerror");
10 document
.onfullscreenerror
= t
.step_func_done();
11 document
.createElement("a").requestFullscreen();