expressCart/views/partials/payments/authorizenet.hbs

<script type="text/javascript"
{{#ifCond @root.paymentConfig.mode '==' 'test'}}
    src="https://jstest.authorize.net/v3/AcceptUI.js"
{{else}}
    src="https://js.authorize.net/v3/AcceptUI.js"
{{/ifCond}}
    charset="utf-8">
</script>
<script>
    function responseHandler(data){
        // Set fields from the form
        data.shipEmail = $('#shipEmail').val();
        data.shipFirstname = $('#shipFirstname').val();
        data.shipLastname = $('#shipLastname').val();
        data.shipAddr1 = $('#shipAddr1').val();
        data.shipAddr2 = $('#shipAddr2').val();
        data.shipCountry = $('#shipCountry').val();
        data.shipState = $('#shipState').val();
        data.shipPostcode = $('#shipPostcode').val();
        data.shipPhoneNumber = $('#shipPhoneNumber').val();
        $.ajax({
            method: 'POST',
            url: '/authorizenet/checkout_action',
            dataType: 'json',
            contentType: 'application/json',
            data: JSON.stringify(data)
        })
        .done(function(data){
            if(data.orderId){
                window.location = '/payment/' + data.orderId;
            }else{
                showNotification('Transaction approved', 'success', true);
            }
        })
        .fail(function(data){
            if(data.orderId){
                window.location = '/payment/' + data.orderId;
            }else{
                showNotification('Your payment has declined. Please try again.', 'danger');
            }
        });
    }
</script>
<div class="col-sm-12 col s12 text-center">
    <form id="paymentForm" method="POST">
        <input type="hidden" name="dataValue" id="dataValue" />
        <input type="hidden" name="dataDescriptor" id="dataDescriptor" />
        <button type="button"
            class="AcceptUI btn btn-success waves-effect waves-light blue darken-3"
            data-billingAddressOptions='{"show":false, "required":false}'
            data-apiLoginID="{{@root.paymentConfig.loginId}}"
            data-clientKey="{{@root.paymentConfig.clientKey}}"
            data-acceptUIFormBtnTxt="Submit"
            data-acceptUIFormHeaderTxt="Card Information"
            data-responseHandler="responseHandler">Pay Now
        </button>
    </form>
</div>