r'^nodejs.*' Steps To Develop The First Node Application - YouTube Bhojpuri Channel

Steps to Develop the First Node Application r'^nodejs.*' ------------------------------------------- - "http" is the predefined module in node js, used to develop the http server. - require() is the predefined function in node js used to import the modules. - createServer(- , - ) is the predefined function in http module used to create the http server. - createServer( req ,res ) taking two parameters. - req & res objects are the predefined objects provided by node engine. - writeHead() is the predefined function in "res" object used to set the MIME Type. Ex. text/plain text/html text/xml -- -- -- - write() is the predefined function in "res" object , used to append the response to "res" object. - end() is the predefined function in "res" object , used to terminate/flush the response object. server.js --------- var http = require("http"); var server = http.createServer(my_fun); function my_fun(req,res){ res.writeHead(200,{'Content-Type':'text/plain'}); res.write("Welcome to Naresh IT !"); res.end(); } server.listen(8080); console.log("Server Listening the Port No.8080"); Exporting & Importing Properties in NodeJS ------------------------------------------ - "exports" is the predefined constant in node js. - "exports" used to export the members like variables, functions,objects,arrays,.... - require() is the predefined function in node js, used to import both "predefined modules" and "custom modules". Ex. first_module.js --------------- exports.my_fun = function(){ return "Welcome to First Module !"; } secondServer.js --------------- var http = require("http"); var first_module = require("./first_module"); http.createServer(function(req,res){ res.writeHead(200,{'Content-Type':'text/plain'}); res.write(first_module.my_fun()); res.end(); }).listen(8080); console.log("Server Listening the Port No.8080");

r'^nodejs.*' Steps To Develop The First Node Application - YouTube
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