promise-reject-and-remove-iframe.html (313B)
1 <!DOCTYPE html> 2 <script> 3 const promise = Promise.reject(); 4 5 window.onload = () => { 6 promise.catch(() => parent.document.querySelector('iframe').remove()); 7 }; 8 </script> 9 10 <!-- Load a slow script to delay window.onload for a while. 11 Without this, crashes are flaky. --> 12 <script src="/common/slow.py"></script>