<!DOCTYPE html>
<title>document.writeln with multiple arguments</title>
<link rel="author" title="Sebmaster" href="mailto:wpt@smayr.name">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-document-writeln%28%29">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#documents-in-the-dom">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
  var iframe = document.createElement("iframe");
  document.body.appendChild(iframe);
  var doc = iframe.contentDocument;
  doc.open();
  doc.writeln('a', 'b');
  doc.close();
  assert_equals(doc.documentElement.textContent, "ab\n");
}, "Calling document.writeln with multiple arguments");
</script>
