JavaScript How to check browser is public-key credentials supported?

I am implementing webauthn using PHP, now I'm facing problem with how to detect browser is public-key credentials supported or not. If browser is supported public-key credentials then I have to start fingerprint registration procedure.

So is there any way we can detect browser public-key credentials.

Answer:1
 if (typeof(PublicKeyCredential) != "undefined") {
   // Code here
 }

The PublicKeyCredential interface provides information about a public key / private key pair. It inherits from Credential, and was created by the Web Authentication API extension to the Credential Management API. Other interfaces that inherit from Credential are PasswordCredential and FederatedCredential.

https://developer.mozilla.org/en-US/docs/Web/API/PublicKeyCredential

Answer:2

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