<!DOCTYPE html>
<meta charset=utf-8>
<title>Historical UI events features</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(function() {
  assert_false("initWheelEvent" in WheelEvent.prototype,
               "Should not be supported on the prototype");
}, "WheelEvent#initWheelEvent");
</script>
