2 <script src=
"../resources/testharness.js"></script>
3 <script src=
"../resources/testharnessreport.js"></script>
5 var element
= document
.documentElement
;
7 assert_true(element
.animate(null) != null);
8 assert_true(element
.animate(null, 1) != null);
9 assert_true(element
.animate(null, {duration
: 1}) != null);
10 }, 'Animate should accept a null effect.');