appcache-iframe.sub.html (377B)
1 <!DOCTYPE html> 2 <html lang="en" manifest="{{GET[manifest]}}"> 3 <script> 4 if (!window.applicationCache) { 5 parent.postMessage('application cache not supported'); 6 } else { 7 applicationCache.onnoupdate = 8 applicationCache.ondownloading = 9 applicationCache.onobsolete = 10 applicationCache.onerror = function() { 11 parent.postMessage('okay'); 12 }; 13 } 14 </script> 15 </html>