chromium/src/third_party/blink/web_tests/fast/css/resources/font-face-cache-version-frame1.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <style>
 @font-face {
   font-family: CustomFont;
   src: url('../../../resources/SpaceOnly.otf');
 }
 span {
   font: 48px CustomFont;
 }
 </style>
 <span id="text"></span>
 <script>
 document.fonts.load('48px CustomFont').then(() => {
   var span = document.getElementById('text');
   span.innerText = 'Hello';
   window.parent.postMessage(span.offsetWidth, '*');
 });
 </script>
	<!DOCTYPE html>
	<style>
	@font-face {
	font-family: CustomFont;
	src: url('../../../resources/SpaceOnly.otf');
	}
	span {
	font: 48px CustomFont;
	}
	</style>
	<span id="text"></span>
	<script>
	document.fonts.load('48px CustomFont').then(() => {
	var span = document.getElementById('text');
	span.innerText = 'Hello';
	window.parent.postMessage(span.offsetWidth, '*');
	});
	</script>