Server-side node. js

implementing a File servervarFS = require (' FS ');varurl = require (' URL '));varPath = require (' path ');varHTTP = require (' http ');//get the root directory from the command-line arguments, default to the current directoryvarRoot = Path.resolve (process.argv[2]| | '. '));//Creating a servervarServer = Http.createserver (function(req,res) {varpathname =Url.parse (req.url). Pathname; varfilepath =Path.join (root,pathname); //Get file StatusFs.stat (filepath,function(err,stats) {if(!err &&Stats.isfile ()) {Res.writehead (200); //directing file streams to resFs.createreadstream (filepath). pipe (RES); } Else {            //Send 404 ResponseRes.writehead (404); Res.end (' 404 Not Found '); })}); Server.listen (8080); Console.log (' Server is running at http://127.0.0.1:8080/');

Server-side node. js