resource-cleanup.html (352B)
1 <!DOCTYPE html> 2 <html lang="en"> 3 <meta charset="utf-8"> 4 <title>Redirect destination for non-HTML documents to close themselves</title> 5 <script> 6 'use strict'; 7 const channel = new URL(location).searchParams.get('channel'); 8 const bc = new BroadcastChannel(channel); 9 bc.onmessage = () => close(); 10 bc.postMessage({name: 'FAIL', closed: 'FAIL' }); 11 </script>