title: Web application with QR code reader
body: <p>Hi I want to build an library automation but I want use QR code for books.
  And I want to read QR code from mobile and could I do that from web application to read qr code from mobile and conver to form data after I can save information books. Is it possible . Or should I do hybrid-mobile-application later read QR code as mobile client .And which tech are opensource and fast like ZXing.If possible could I do all of them with javascript</p>