how to install the latest version of npm on ubuntu server code example

Example 1: how to install node js in ubuntu

//Author: Mohammad Arman Khan
//How To Install Node.js on Ubuntu
1: sudo apt-get update
2: sudo apt-get install nodejs
3: sudo apt-get install npm
4: nodejs -v

Example 2: install nodejs latest version ubuntu

//STEP 1:install using curl (PPA)
sudo apt update && sudo apt install curl -y
//STEP 2:install latest version (replace 14.x with requird one(i.e 15.x))
curl -sL https://deb.nodesource.com/setup_15.x | sudo -E bash -
sudo apt install nodejs
nodejs -v
v15.3.0