how to install latest version of node and npm in ubuntu code example

Example 1: install node js ubuntu

sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install nodejs
# Check node version
node -v 
# v13.9.0
# Also, check the npm version
npm -v 
# 6.13.7

Example 2: install node js using nvm ubuntu

curl -sL https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh -o install_nvm.sh