If you have not yet followed my articles on PayPal advanced integration, check out these articles first.

• PayPal advanced integration checkout using Node.js
• PayPal advanced integration checkout using Node.js on Docker

By default, the PayPal advanced integration should return something like this.

Let's say you want to customize the placeholder text, perhaps something like this.

placeholder can be added in checkout.js, something like this.

if (cardField.isEligible()) {
  const nameField = cardField.NameField({placeholder:"Name on Card"});
  nameField.render("#card-name-field-container");

  const numberField = cardField.NumberField({placeholder:"Card Number"});
  numberField.render("#card-number-field-container");

  const cvvField = cardField.CVVField({placeholder:"CVV (the 3 digit code on back of card)"});
  cvvField.render("#card-cvv-field-container");

  const expiryField = cardField.ExpiryField({placeholder:"MM / YY (card expiration month/year)"});
  expiryField.render("#card-expiry-field-container");