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<html>
<!--
bugzilla.mozilla.org/show_bug.cgi?id=1681800
-->
<head>
<title>Test for bug 1681800</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1681800">Mozilla Bug 1681800</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script>
add_task(function() {
  document.documentElement.focus({})
  document.documentElement.focus({})
  ok(true, "no crash");
})
</script>
</pre>
</body>
</html>
