Function makeChildIframeDocWrite

test/unit/test-3p-environment.js:231–242

(win)

  }

  function makeChildIframeDocWrite(win) {
    const doc = win.document;
    const iframe = doc.createElement('iframe');
    iframe.name = 'testChild' + iframeCount++;
    iframe.src = 'about:blank';
    doc.body.appendChild(iframe);
    iframe.contentWindow.document.open();
    iframe.contentWindow.document.write('write: ' + iframe.name);
    iframe.contentWindow.document.close();
    doc.body.appendChild(doc.createElement('hr'));
    return iframe;
  }
});