third_party/WebKit/LayoutTests/http/tests/inspector-protocol/network/resources/xhr-iframe.html - chromium/src - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script>
 var xhr = new XMLHttpRequest();
 xhr.onload = function() {
   if (xhr.status == 200) {
     console.log('xhr.responseText = ' + xhr.responseText);
   }
 };
 xhr.open("GET", "example.txt");
 xhr.send();
 </script>
 </head>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script>
	var xhr = new XMLHttpRequest();
	xhr.onload = function() {
	if (xhr.status == 200) {
	console.log('xhr.responseText = ' + xhr.responseText);
	}
	};
	xhr.open("GET", "example.txt");
	xhr.send();
	</script>
	</head>
	</html>