An example of a web server written with Node which responds with "Welcome to Node.js World."

server.js

// server.js
// Typing node server.js to turn on your Node server. 


// include the http module you need
var http = require("http");

// access the createServer method in the http object
http.createServer(function(request, response) {
  
  // tell the server what kind of file is coming at it
  response.writeHead(200, {"Content-Type": "text/plain"});
  
  // make the server output a message
  response.write("Welcome to Node.js World.");
  
  // End the server interaction
  response.end();
}).listen(8888); // listening on port 8888

console.log('Server running at http://127.0.0.1:8888');