Video Course on Real-Time HTML5 with Node.jschallenge: create a setTimeout that will generate a random number, then another timeout to send back the response

  function handleHTTP(req,res) {
    if (req.method === "GET") {
        if (req.url === "/") {

            function createTest(cb) {
                var newtext = "Hello World" + Math.random();
                setTimeout(function (){
                    cb(newtext);
                },500);
            }

            function sendresponse(contents, cb){
                res.writeHead(200,{
                    "Content-type": "text/html"
                });
                res.end(contents);
                if (cb){
                    cb();
                }
            }

            setTimeout(function (){
                createTest(sendresponse);
            }, 1000);
        }
        else {
            res.writeHead(404);
            res.end("Couldn't find it!");
        }
    }
    else {
        res.writeHead(403);
        res.end("No, no, don't do that!");
    }
}

var http = require("http");
var httpserv = http.createServer(handleHTTP);

httpserv.listen(8006,"localhost");

his solution is with anonymous functions:

  setTimeout(function(){
    var num = Math.random();
    setTimeout(function(){
        res.end("Hello World:" + num);
    }, 1000);
}, 1000);