switch node versions code example

Example 1: switch node version

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

Example 2: use a specific version of node

nvm use {Node version}

Example 3: how to change node version

nvm use --delete-prefix $NODE_VERSION

example:
nvm use --delete-prefix v8.9.4