git branch
git switch "branch name"
git switch - (returns to the previous state of the branch)
Source: < https://www.codegrepper.com/code-examples/shell/nvm+list+node+versions> Source: https://nodejs.dev/learn/find-the-installed-version-of-an-npm-package Source: https://docs.npmjs.com/cli/v6/commands/npm-view
Lists the installed node versions
nvm ls
Selects the node version to use
nvm use 6.9.2
https://nodejs.org/en/about/releases/
Example for dotenv: https://www.npmjs.com/package/dotenv/v/8.0.0 https://www.npmjs.com/package/terser
If one wants to check for another just go to packages and type it in. Select the version list on the right and look for a version that is approximately the same date as the udacity course pack, in this case around 2018 and 2019.
Useful if one wants to upgrade later. https://webpack.js.org/migrate/5/