gecko-dev/dom/html/test/test_bug803677.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=803677
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 803677</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="reflect.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style>
.base { border:1px solid gray; }
.bad-table { display:table-cell; border:1px solid red; }
</style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=803677">Mozilla Bug 803677</a>
<p id="display"></p>
<div id="content">
<p class="base">1</p>
<p class="base">2</p>
<p class="base">3</p>
<p class="base bad-table">4</p>
<p class="base">7</p>
<p class="base">8</p>
<p class="base">9</p>
</div>
<pre id="test">
<script type="application/javascript">
var p = document.querySelectorAll(".base");
var parent = document.querySelector("body");
var prevOffset = 0;
for (var i = 0; i < p.length; i++) {
var t = 0, e = p[i];
is(e.offsetParent, parent, "Offset parent of all paragraphs should be the body.");
while (e) {
t += e.offsetTop;
e = e.offsetParent;
}
p[i].innerHTML = t;
ok(t > prevOffset, "Offset should increase down the page");
prevOffset = t;
}
</script>
</pre>
</body>
</html>