Node.JS Hello World : tutorials.kode-blog.com 20160802
package.json
using npm
mkdir node
cd node
mkdir hello-world
cd hello-world
npm init
Fill in the answers to the utility questions.
Create a new file app.js
Add the following code :
console.log('Hello World!');
Console is a global module that provides simple debugging console that is similar to the one JavaScript console in web browsers.
Run the following command :
node app.js
.js
extension is not mandatory, this works also :
node app
Create a new file web.js
Add the following code :
var http = require("http");
var port = 3000;
http.createServer(function(reqst, resp) {
resp.writeHead(200, {'Content-Type': 'text/plain'});
resp.end('Hello World!');
}).listen(port);
console.log('Load http://127.0.0.1:' + port + ' and watch the magic');
Run the following command :
node web
Load the following url in your browser : http://127.0.0.1:3000/