Methods
# async static isConditionalMediationAvailable()
        Checks whether autofill assisted requests are supported.
    
    
    Promise
    
    
# async static isPlatformAuthenticatorAvailable()
        Checks whether a user-verifying platform authenticator is available.
    
    
    Promise
    
    
# async static isSecurityKeySupported()
        Checks whether external CTAP2 security keys are supported.
    
    
    Promise
    
    
# static supported()
        Does a simple check to test for the credential management API functions we need, and an indication of
public key credential authentication support.
    
    
- See:
boolean