<!DOCTYPE html> | |
<body> | |
<script> | |
function forwardMessage(e) { | |
let broadcastChannel = new BroadcastChannel(new URL(location).searchParams.get('broadcastchannel')); | |
try { | |
broadcastChannel.postMessage(e.data); | |
} finally { | |
broadcastChannel.close(); | |
} | |
} | |
window.addEventListener("message", forwardMessage); | |
</script> | |
</body> |