update nodejs ubuntu 20.04 code example

Example 1: install nodejs ubuntu 20.04

sudo apt install nodejs

Example 2: how to update node in ubuntu 18.04

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

Example 3: install nodejs from ubuntu 18.04

sudo bash nodesource_setup.sh

Example 4: install node 14 ubuntu 20

curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -Copy