Nodejs 14 on Debian 10 buster
Node.js 14 was released on 2020-04-21 and is expected to enter active LTS state on 2020-10-20
curl -sL https://deb.nodesource.com/setup_14.x | sudo bash -
Do repo update then update
apt update
apt -y install nodejs
If you gonna use Nodejs on development process, the you may need these module
apt -y install gcc g++ make build build-essential
Yarn on Nodejs
curl -sL https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
apt update && sudo apt install yarn