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<head>
  <title>Tests for for-of loops</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
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<body onload="doTest()">
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<script>
function doTest() {
  document.getElementById("button").focus();
  is(window.scrollY, 0, "Scrolled position initially 0");
  synthesizeKey("KEY_Tab"),
  ok(window.scrollY > 200, "Scrolled child frame into view");
  SimpleTest.finish();
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SimpleTest.waitForExplicitFinish();
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