update node js debian code example

Example 1: update node ubuntu

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

Example 2: how to update node js version

//check node version
>node -v
// let's install a program called n that will let us easily switch 
//between Node versions.
>npm install -g n
//Upgrading to the latest stable version
>n stable 
//Changing to a specific version
>n 10.16.0

Example 3: update node version debian

sudo npm cache clean -f
sudo npm install -g n
curl -sL https://deb.nodesource.com/setup_current.x | sudo bash -
sudo apt-get install nodejs