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Tip revision: eb313d646aff9c95247c506a19f1922f44b267ea authored by Sandra Sun on 19 December 2018, 15:38:18 UTC
Snap after layout change

Tip revision: eb313d6

EventTarget-removeEventListener.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>EventTarget.removeEventListener</title>
<link rel="author" title="Ms2ger" href="mailto:Ms2ger@gmail.com">
<link rel="help" href="https://dom.spec.whatwg.org/#dom-eventtarget-removeeventlistener">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
// Step 1.
test(function() {
  assert_equals(document.removeEventListener("x", null, false), undefined);
  assert_equals(document.removeEventListener("x", null, true), undefined);
  assert_equals(document.removeEventListener("x", null), undefined);
}, "removing a null event listener should succeed");
</script>

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