EventListener-addEventListener.sub.window.js

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This WPT test may be referenced by the following Test IDs:
- /dom/events/EventListener-addEventListener.sub.window.html - WPT Dashboard Interop Dashboard

async_test(function(t) {

  let crossOriginFrame = document.createElement('iframe');

  crossOriginFrame.src = 'https://{{hosts[alt][]}}:{{ports[https][0]}}/common/blank.html';

  document.body.appendChild(crossOriginFrame);

  crossOriginFrame.addEventListener('load', t.step_func_done(function() {

    let crossOriginWindow = crossOriginFrame.contentWindow;

    window.addEventListener('click', crossOriginWindow);

  }));

}, "EventListener.addEventListener doesn't throw when a cross origin object is passed in.");