socketio client code example

Example 1: socket io connect to namespace

var io  = require('socket.io')(http, { path: '/myapp/socket.io'});

io
.of('/my-namespace')
.on('connection', function(socket){
    console.log('a user connected with id %s', socket.id);

    socket.on('my-message', function (data) {
        io.of('my-namespace').emit('my-message', data);
        // or socket.emit(...)
        console.log('broadcasting my-message', data);
    });
});

Example 2: import socket io frontend

<script src="/socket.io/socket.io.js"></script><script>  const socket = io('http://localhost');</script>

Example 3: angular socket.io with token header

var socket = io("http://localhost", {
  extraHeaders: {
    Authorization: "Bearer authorization_token_here"
  }
});

Example 4: socket..io

<script src="https://cdn.socket.io/socket.io-3.0.1.min.js"></script>

Example 5: socket io

npm install --save socket.io

Example 6: socket io query

// Client side
const socket = io({
  query: { token: 'cde' }
});

// Server side
io.on('connection', (socket) => {
  let token = socket.handshake.query.token;
  
  // Do something...
});