test_bug1314032.html

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  <meta charset="utf-8">

  <title>Test for Bug 1314032</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1314032">Mozilla Bug 1243846</a>

<p id="display"></p>

<pre id="test">

<script type="application/javascript">

	let win = window.open(URL.createObjectURL(new Blob([

		'<meta charset="utf-8">' +

		'<script>' +

		  'let observer = new IntersectionObserver(([entry]) => {' +

		    'document.body.textContent += entry.time' +

		  '});' +

			'observer.observe(document.documentElement);' +

		'<\/script>'

	], {'type': 'text/html'})));

	win.onload = function () {

		win.close();

		ok(true);

		SimpleTest.finish();

	SimpleTest.waitForExplicitFinish();

</script>

</pre>

<div id="log">

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