Handling Multiple Requests in Node.js

app.js

/**
* Node.js Tutorial for Beginners: Handling Multiple Requests
* See: https://www.youtube.com/watch?v=KsjrN-T3ZCs&index=4&list=PL6gx4Cwl9DGBMdkKFn3HasZnnAqVjzHn_
* Credits to:  https://github.com/buckyroberts
*/

function placeAnOrder(orderNumber){
  
  console.log("Customer order:", orderNumber);
  
  cookAndDeliverFood(function (){
    console.log("Delivered food orders:", orderNumber);
  });
  
}

//Simulate a 5 second operation
function cookAndDeliverFood(callback){
  setTimeout(callback, 5000);
}

//Simulate users web request
placeAnOrder(1);
placeAnOrder(2);
placeAnOrder(3);
placeAnOrder(4);
placeAnOrder(5);
placeAnOrder(6);