AuthenticatorAttestationResponse: getAuthenticatorData() method
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The getAuthenticatorData()
method of the AuthenticatorAttestationResponse
interface returns an ArrayBuffer
containing the authenticator data contained within the AuthenticatorAttestationResponse.attestationObject
property.
This is a convenience function, created to allow easy access to the authenticator data without having to write extra parsing code to extract it from the attestationObject
.
Syntax
js
getAuthenticatorData()
Parameters
None.
Return value
An ArrayBuffer
with a ArrayBuffer.byteLength
of at least 37 bytes, which contains the data structure explained in Authenticator data.
This will be equivalent to the authenticator data contained within the AuthenticatorAttestationResponse.attestationObject
property.
Examples
See Creating a public key credential using the WebAuthn API for a detailed example.
Specifications
Specification |
---|
Web Authentication: An API for accessing Public Key Credentials - Level 3 # dom-authenticatorattestationresponse-getauthenticatordata |
Browser compatibility
BCD tables only load in the browser