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<!DOCTYPE html>
<title>link.relList: non-string contains</title>
<link rel="author" title="Ms2ger" href="mailto:ms2ger@gmail.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#the-link-element">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#domtokenlist">
<link rel="help" href="https://webidl.spec.whatwg.org/#ecmascript-binding">
<link rel="help" href="http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf#page=57">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link id="link" rel="undefined null 0 NaN Infinity">
<div id="log"></div>
<script>
test(function() {
var list = document.getElementById("link").relList;
assert_equals(list.contains(undefined), true); //"undefined"
assert_equals(list.contains(null), true); //"null"
assert_equals(list.contains(-0), true); //"0"
assert_equals(list.contains(+0), true); //"0"
assert_equals(list.contains(NaN), true); //"NaN"
assert_equals(list.contains(+Infinity), true); //"Infinity"
assert_equals(list.contains(-Infinity), false); //"-Infinity"
assert_equals(list.supports("stylesheet"), true);
assert_equals(list.supports("nosuchrelvalueever"), false);
});
</script>
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