third_party/blink/web_tests/external/wpt/WebIDL/ecmascript-binding/constructors-support.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <script>
 window.badNewTarget = function() {};
 badNewTarget.prototype = 8;

 window.DOMParserSubclass = class extends DOMParser {}
 window.ForeignDOMParserSubclass = class extends parent.DOMParser {}
 </script>
	<!DOCTYPE html>
	<script>
	window.badNewTarget = function() {};
	badNewTarget.prototype = 8;

	window.DOMParserSubclass = class extends DOMParser {}
	window.ForeignDOMParserSubclass = class extends parent.DOMParser {}
	</script>