The original author jeromeetienne https://github.com/jeromeetienne/jquery-qrcode
As of
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greatest.deepsurf.us/scripts/31884/208852/qrcodejs.js
The original author jeromeetienne https://github.com/jeromeetienne/jquery-qrcode