I am having javascript Points as undefined on the result page

// create a web server 
var router = require('./router.js');
var http = require('http');
http.createServer(function(request, response){
  router.home(request, response);
  router.user(request, response);
  //response.end('Hello World\n');
  }). listen(3000);
console.log('Server running at http://<workspace-url>');

var Profile = require("./profile.js");
var renderer = require("./renderer.js");
var commonHeaders = {'Content-Type': 'text/html'};         
// handle a http route GET and POST 
function home(request, response){
     // if url ="/" && GET
  if(request.url === "/") {
      // show search
        response.writeHead(200, commonHeaders);
        renderer.view("header", {}, response);
        renderer.view("search", {}, response); 
        renderer.view("footer", {}, response);
        response.end();
  } 
      // if url == "/" && POST
        // redirect to :/username
  }     
// handle the http route for GET/: username i.e / chalkers
function user(request, response) {
      // if url == "/...."
  var username = request.url.replace("/", "");
  if(username.length > 0) {
    response.writeHead(200, commonHeaders);
    renderer.view("header", {}, response);
    // get JSON FROM TREEHOUSE
    var studentProfile = new Profile(username); 
    // on "end"
    studentProfile.on("end", function(profileJSON){
      // show profile
      // store the value needed
      var values = {
        avatarUrl: profileJSON.gravatar_url,
        username: profileJSON.profile_name,
        badges: profileJSON.badges.length,
        javascriptPoints : profileJSON.points.Javascript
      }
      //Simple response
      renderer.view("profile", values, response);
      renderer.view("footer", {}, response);
      response.end();
    });

    // on error
    studentProfile.on("error", function(error){
      // show error
      renderer.view("error", {errorMessage: error.message}, response); 
      renderer.view("search", {}, response);
      renderer.view("footer", {}, response);
      response.end();
    });   
  }
}

var fs = require("fs");
function mergevalues(values, content) {
  for (var key in values) {
    content = content.replace("{{" + key + "}}", values[key]);
  }
  return content;
}
//function that handles the reading of files and merge in values
        // read from file an get the strings
        // merge value from the string
function view(templateName, values, response) {
  // read from the template files
      var fileContents = fs.readFileSync('./views/' + templateName + '.html', {encoding: "utf8"});
  fileContents = mergevalues(values, fileContents);
      response.write(fileContents); 
}

module.exports.view = view;