how to install node js in ubuntu using terminal 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: node install ubuntu

# Through nodesource
curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
sudo apt install nodejs

Example 3: how to install npm and node js ubuntu

sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_15.x | sudo -E bash -
sudo apt-get install nodejs
# Check node version
node -v 
# v15.14.0
# Also, check the npm version
npm -v 
# 7.7.6