socket.on("message", objtxt => {
let obj = JSON.parse(objtxt);
if (!!obj.target && !clients[obj.target])
return; //receiver not connected, nothing we can do
socket.on("message", objtxt => {
let obj = JSON.parse(objtxt);
if (!!obj.target && !clients[obj.target])
return; //receiver not connected, nothing we can do