To generate a list (tree view) of currently installed packages, use
ll are aliases of list command.
ll commands shows extended information like description and repository.
The response format can be changed by passing options.
npm list --json
json- Shows information in json format
long- Shows extended information
parseable- Shows parseable list instead of tree
global- Shows globally installed packages
depth- Maximum display depth of dependency tree
dev/development- Shows devDependencies
prod/production- Shows dependencies
If you want, you can also go to the package's home page.
npm home <package name>
With all that being said, I highly recommend you keep learning!