change node version using nvm code example

Example 1: nvm change version

nvm use <version>

Example 2: several node versions

several node versions

Example 3: use a specific version of node

nvm use {Node version}

Example 4: change node version

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash

Example 5: how to change node version

nvm use --delete-prefix $NODE_VERSION

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