anchor-mathml-crash.html (251B)
1 <!DOCTYPE html> 2 <style> 3 semantics { 4 position: fixed; 5 top: anchor(start); 6 } 7 </style> 8 <script> 9 const semantics = document.createElementNS("http://www.w3.org/1998/Math/MathML", "semantics"); 10 document.documentElement.appendChild(semantics); 11 </script>