socket io server base url code example
Example 1: 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...
});
Example 2: socketio connect websockets
var ws = new WebSocket('ws://localhost/socket.io/?EIO=3&transport=websocket');
ws.send('42' + JSON.stringify(['hello', 'there']));
// ws.onmessage will get a MessageEvent object with the data property being encoded in the similar way.