title: Barcode reader calling submit function in my form
body: <p>I have a simple form to recharge account. In this account i am reading the card number through bar code reader but this bar code reader calls the submit function immediately after putting the value in it. I want to stop bar code reader from calling the submit function because i have other fields to fill before submit.
  I want to know how can i stop bar code reader calling submit function j query. </p>