NodeJS Hello world Program

NodeJS / NodeJS Hello world Program

Program Name

Write a NodeJS Hello world Program.

Theory
This program display helloworld in Nodejs.

Program Code


File Name: helloworld.js

var httpobj = require('http');
httpobj.createServer(function (req, res) 
{
res.writeHead(200,{'Content-Type': 'text/plain'});
res.end('Hello World!');
}).listen(8080);

Input

No Inputs for the program.

Output

Hello World!

Compiling and Running

1. Open terminal and change the drive to code folder.
2. compiling: node  helloworld.js
3. Running: open browser and type
http://localhost:8080/
4. See the output

Explanation
HTTP module used transfer data using Hyper Text Transfer Protocol (HTTP). HTTP server response is displayed as HTML and included in HTTP header with a content type.

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