1- To solve for the undefined message in the console, we need to install a body parser app. So, in console, type npm install -s body-pars...

1- We begin by making sure our post function is working properly. To do this, we add a post function below our get function from our "e...

1- You can use app.get() to to show custom results to specific urls. For testing purposes, add the following inside the server.js file, afte...

1- Install node and express dependencies npm init --yes npm install -s express  2- Create express lib and app variables   var expres...

1- Create a server.js file 2- In console, install node npm init --yes 3- In console, install express framework npm install -s express w...

1- Call the filesystem var fs = require('fs') 2- Define the object to be added to the JSON file var data = {   name: "raf...

1- Invoke the filesystem var fs = require('fs') 2- Use the function readdir() from the fs variable fs.readdir('c:/', (...