EventTarget-addEventListener.any.js

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This WPT test may be referenced by the following Test IDs:
- /dom/events/EventTarget-addEventListener.any.html - WPT Dashboard Interop Dashboard
- /dom/events/EventTarget-addEventListener.any.worker.html - WPT Dashboard Interop Dashboard

// META: title=EventTarget.addEventListener

// Step 1.

test(function() {

  const et = new EventTarget();

  assert_equals(et.addEventListener("x", null, false), undefined);

  assert_equals(et.addEventListener("x", null, true), undefined);

  assert_equals(et.addEventListener("x", null), undefined);

}, "Adding a null event listener should succeed");