How to install nodejs on linux

Nodejs is an open source JavaScript runtime without a dom model nodejs can be used to create web servers api's  and command line applications among others its important to note nodejs is increasing popularity due to its simplicity , speed and developer friendliness i.e frontend developers once limited to using JavaScript in the browser can now create server side backend applications.

in your terminal execute the command below to add node js repository.
curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -

update apt packages list
sudo apt apt update && upgrade

install latest nodejs
sudo apt install nodejs