switch node version

1node --version  
2//or
3node -v
4
5//v12.15.0

1$ nvm ls
2

1node -v
2
3OR
4
5node --version

1npm install -g n   # Install n globally
2n 0.10.33          # Install and use v0.10.33
3

1nvm use {Node version}
2

1nvm use --delete-prefix $NODE_VERSION
2
3example:
4nvm use --delete-prefix v8.9.4