chromium/src/third_party/blink/renderer/core/testing/data/window_dimensions_wide_div.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>

 <style>
   body {
     margin: 0px;
   }
 </style>

 <meta name="viewport" content="width=1600">
 <div style="width: 2000px; height: 10px; background-color: blue"></div>
 <script>
   var innerWidth = window.innerWidth;
   var innerHeight = window.innerHeight;
   document.write('<div id="output">'+innerWidth+'x'+innerHeight+'</div>');
 </script>
	<!DOCTYPE html>

	<style>
	body {
	margin: 0px;
	}
	</style>

	<meta name="viewport" content="width=1600">
	<div style="width: 2000px; height: 10px; background-color: blue"></div>
	<script>
	var innerWidth = window.innerWidth;
	var innerHeight = window.innerHeight;
	document.write('<div id="output">'+innerWidth+'x'+innerHeight+'</div>');
	</script>