import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

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<!doctype html>
<html class="a">
<head>
<title>document.getElementsByClassName(): changing classes</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body class="a">
<div id="log"></div>
<script>
test(function() {
var collection = document.getElementsByClassName("a");
document.body.className += "\tb";
assert_array_equals(collection, [document.documentElement, document.body]);
})
</script>
</body>
</html>