chromium/src/third_party/blink/web_tests/svg/custom/attribute-default-value-after-removal.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <div style="width: 100px">
   <svg viewBox="0 0 100 100">
     <rect width="100" height="100" fill="green"/>
   </svg>
 </div>
 <script>
 document.querySelector('svg').setAttribute('width', 200);
 document.querySelector('svg').removeAttribute('width');
 </script>
	<!DOCTYPE html>
	<div style="width: 100px">
	<svg viewBox="0 0 100 100">
	<rect width="100" height="100" fill="green"/>
	</svg>
	</div>
	<script>
	document.querySelector('svg').setAttribute('width', 200);
	document.querySelector('svg').removeAttribute('width');
	</script>