The get() method of the CredentialsContainer interface returns a Promise that fulfills with a single credential, which can then be used to authenticate a user to a website.| developer.mozilla.org
The create() method of the CredentialsContainer interface creates a new credential, which can then be stored and later retrieved using the navigator.credentials.get() method. The retrieved credential can then be used by a website to authenticate a user.| developer.mozilla.org
The DOMException interface represents an abnormal event (called an exception) that occurs as a result of calling a method or accessing a property of a web API. This is how error conditions are described in web APIs.| MDN Web Docs
The Web Authentication API (WebAuthn) is an extension of the Credential Management API that enables strong authentication with public key cryptography, enabling passwordless authentication and secure multi-factor authentication (MFA) without SMS texts.| developer.mozilla.org