// Local
qr.reveal()

// Current
socket.emit("RevealCorrect", {quizinstance: quizinstance});

// All
socket.off('DiscoveryResponse');
socket.on('DiscoveryResponse', res => socket.emit("RevealCorrect", {quizinstance: res.quizinstance}));
for (let i = 10000; i < 50000; i++) socket.emit("DiscoveryRequest", {code: i + ''});