firefox-bug-1719483.html (741B)
1 <!DOCTYPE html> 2 <style> 3 * { 4 padding: 2880804336.4242716vmax 854269137% 347744005.57952744in 2487922492.561039pt; 5 } 6 </style> 7 <script> 8 const button = document.createElement("button") 9 const select = document.createElement("select") 10 const optgroup = document.createElement("optgroup") 11 const option = document.createElement("option") 12 button.setAttribute("id", "button_0") 13 optgroup.appendChild(option) 14 select.appendChild(optgroup) 15 button.appendChild(select) 16 document.documentElement.appendChild(button) 17 const canvas = document.createElement("canvas") 18 const context = canvas.getContext("2d", { "willReadFrequently": false, "alpha": true }) 19 context.filter = "url(#button_0)" 20 </script>