The documentation page or readme, which seems very clear otherwise doesn't include an example on how to import the script.
https://www.papaparse.com/docs
It depends on the project but for a plain browser is just adding the route to the papaparse.min.js file and then using the clasases on your javascript sources.
The documentation page or readme, which seems very clear otherwise doesn't include an example on how to import the script. https://www.papaparse.com/docs