Timeout based on WebAuthn is expressed in milliseconds not seconds. The spec's suggested default value is between 20 and 120 seconds (thus 20000 and 120000). I think the default value here (90ms), was inserted having seconds in mind.
More info at https://www.w3.org/TR/webauthn/#dom-publickeycredentialcreationoptions-timeout
Timeout based on WebAuthn is expressed in milliseconds not seconds. The spec's suggested default value is between 20 and 120 seconds (thus 20000 and 120000). I think the default value here (90ms), was inserted having seconds in mind. More info at https://www.w3.org/TR/webauthn/#dom-publickeycredentialcreationoptions-timeout