File .js FUNZIONANTE preso da https://rawgit.com/schmich/instascan-builds/master/instascan.min.js Aggiunto ZIP da progetto github: https://github.com/schmich/instascan Altri link da valutare: https://www.jqueryscript.net/other/jQuery-Plugin-For-BarCode-QR-Code-Reader-WebCodeCam.html https://github.com/schmich/instascan https://github.com/LazarSoft/jsqrcode https://github.com/andrastoth/webcodecamjs