passkey-gist.js

  const credential = (await 
  navigator
    .credentials.create({
      publicKey: {
        challenge: new Uint8Array(16),
        rp: {
          name: "0xdeep.com",
        },
        user: {
          id: new Uint8Array(16),
          name: "0x@deep",
          displayName: "0xDeep",
        },
        pubKeyCredParams: [
          {
            type: "public-key",
            alg: -7,
          },
        ],
        timeout: 60000,
        attestation: "direct",
      },
  })
  )