chromium/src/third_party/blink/web_tests/external/wpt/fetch/api/request/multi-globals/incumbent/incumbent.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <title>Incumbent page used as a test helper</title>

 <iframe src="../current/current.html" id="c"></iframe>

 <script>
 'use strict';

 window.createRequest = (...args) => {
     const current = document.querySelector('#c').contentWindow;
     return new current.Request(...args);
 };

 </script>
	<!DOCTYPE html>
	<title>Incumbent page used as a test helper</title>

	<iframe src="../current/current.html" id="c"></iframe>

	<script>
	'use strict';

	window.createRequest = (...args) => {
	const current = document.querySelector('#c').contentWindow;
	return new current.Request(...args);
	};

	</script>