send private details to each socket with socket.io

Question

I have 2 players in a multiplayer quiz.

Each client has true answers and false answers.

True answers : socket.true

False answers : socket.false

I'm increasing each variables answer by answer and finally, after 5 answers, i'm calling finishgame function.

I want to send a data that contains count of true answers and false answers to each client in finishgame function.

How can I do this ?

If I use socket.emit or socket.broadcast.to(socket.room).emit it sends only one socket's data.

For example :

Send joe -> joe has 3 true , 2false answers;
Send tim -> tim has 1 true , 4 false answers.

But it doesn't happen.

Answer 1

Create a new object called answers now when a client starts the quiz you create a new answers object with the socket.id as index, if you need to add a true or false answer you just edit/create a property for that answers object (example answers[socket.id]['trueAnswers']++). Now when you want to send true and false answers to the client you can easily read the answers object with a supplied socket.id as index from the client you want the data from.

Example:

        // Create the object
        Answers = new Object();

        // Client starts the quiz:
        Answers[socket.id] = {
            trueAnswers: 0,
            falseAnswers: 0
        };

        // Client made a correct answer:
        Answers[socket.id].trueAnswers++;

        // Send answers data back that is owned by this socket.id
        io.sockets.socket(socket.id).emit(Answers[socket.id]); // Shows 'Object {trueAnswers: 1, falseAnswers: 0}'

Edit: If you want to send this via a forEach way like you describe I belief this might be what you are looking for:

• Please note that this function is not available anymore in socket.io versions higher then 1.0, it is recommended to keep a array of your socket.id's so you can iterate over them if need be.

      io.sockets.clients().forEach(function (socket) {
                  // This will go trough all connected sockets
      });