installing node code example

Example 1: update npm for laptop

npm install -g npm@latest

Example 2: linux install node

sudo apt install nodejs

Example 3: update nodejs mac

sudo npm cache clean -f 
sudo npm install -g n
sudo n stable/lts

Example 4: install noedjs

brew install node

Example 5: nodejs install

var http = require('http');

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