<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test-pre.js"></script>
<div id="testArea"><div id="A"><div id="B"><div id="C"><div id="D"></div></div></div></div></div>
<script>
description("Tests that backward traversal of an HTMLCollection works as expected and does not crash.");

var testArea = document.getElementById("testArea");
var divs = testArea.getElementsByTagName("div");
shouldBeEqualToString("divs.item(3).id", "D");
shouldBeEqualToString("divs.item(2).id", "C");
shouldBeEqualToString("divs.item(1).id", "B");
shouldBeEqualToString("divs.item(0).id", "A");
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>