install node yarn code example
Example 1: install yarn
npm install -g yarn
Example 2: install yarn
brew install yarn
Example 3: how to install yarn on ubuntu
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
npm install -g yarn
brew install yarn
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -