const stripe = Stripe('pk_test_51PkfK7EA1ZXYxYo0NsJ3ON1zrSqerZY2n2tkuzA7ij92SFjIvI4V4JC8oXuxkrKAE92whLGS1QiEJzrnrvCIaKFr00b5YxQBek''pk_test_51PkfK7EA1ZXYxYo0Ns...nrvCIaKFr00b5YxQBek'); const appearance = { /* appearance */ }; const options = { /* options */ }; const elements = stripe.elements({ clientSecret, appearance }); const paymentElement = elements.create('payment', options); paymentElement.mount('#payment-element');