change node version

JavaScript
Usage:
nvm install <version>       Download and install a <version>
nvm use <version>           Modify PATH to use <version>
nvm ls                      List versions (installed versions are blue)curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bashnvm use --delete-prefix $NODE_VERSION

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

Also in JavaScript: