card verification working

rowers/templates/braintreedropin.html

@@ -3,6 +3,7 @@
 <script>
   var form = document.querySelector('#payment-form');
   var hiddenNonceInput = document.querySelector('#nonce');
+  var paymenterrordiv = document.getElementById("paymenterror");
   var client_token = '{{ client_token }}';
   braintree.dropin.create({
     authorization: client_token,
@@ -28,7 +29,8 @@
   } else {
         // Decide if you will force the user to enter a different
         // payment method if liablity was not shifted
-        dropinInstance.clearSelectedPaymentMethod();
+  instance.clearSelectedPaymentMethod();
+  paymenterrordiv.innerHTML = '<p class="message">3D Secure Card Verification Error. Please check your card details.</p>';
       }
   });
 
@@ -42,5 +44,5 @@
 $('#payment-form').submit(function() {  
 $(this).find("button[type='submit']").prop('disabled',true);
 console.log("disabled");
-}
+});
 </script>