server http persistent connection stream

server-http-persistent-connection-stream.js

var express = require('express');
var app = express();

var server = app.listen(3005);

var id = 1;

app.get('/stream', function (req, res, next) {

    var clearId = setInterval(function() {
        console.log('writing count ' + id);
        res.write('count: ' + id++);

    }, 1000);

    req.on('close', function () {
        console.log('closing');
        clearInterval(clearId);
        res.end();
    })
});