A toy node.js echo server that disconnects when given the input 'disconnect'

toy-echo-server.js

var net = require('net');

var server = net.createServer(function(socket) {
    socket.on('data', function(data) {
        socket.write(data);

        var str = data.toString('utf8');

        if(str.indexOf('disconnect') !== -1) {
            socket.end('goodbye\n');
        }
    });
});

server.listen(8000);