<!DOCTYPE HTML> <html> <head> <title>Test UDPSocket BFCache</title> </head> <body> <script type="application/javascript;version=1.8"> 'use strict'; window.addEventListener('load', function onload() { window.removeEventListener('load', onload); let remotePort = parseInt(window.location.search.substring(1), 10); let socket = new UDPSocket(); socket.addEventListener('message', function () { socket.send('fail', '127.0.0.1', remotePort); }); socket.opened.then(function() { socket.send('ready', '127.0.0.1', remotePort); }); }); </script> </body> </html>