gistfile1.txt

<script src="https://www.paypalobjects.com/api/checkout.js"></script>
<script src="https://js.braintreegateway.com/web/3.9.0/js/client.min.js"></script>
<script src="https://js.braintreegateway.com/web/3.9.0/js/paypal-checkout.min.js"></script>
<div id="paypal-button-container"></div>
<script>
    var authToken = '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';
    
    braintree.client.create({ authorization: authToken }, function (err, client) {
        braintree.paypalCheckout.create({ client: client }, function (err, paypalClient) {
            
            paypal.Button.render({
                env: 'sandbox',
                
                payment: function() {
                    return paypalClient.createPayment({
                        flow:     'vault',
                        amount:   '0.01',
                        currency: 'USD',
                        intent:   'sale'
                    });
                },
                
                onAuthorize: function(data, actions) {
                    return paypalClient.tokenizePayment(data).then(function(result) {
                        console.warn(result.nonce, result.details);
                    })
                }
            }, '#paypal-button-container');
        });
    });
</script>