jcjones has just created a new issue for https://github.com/w3c/webauthn: == isPlatformAuthenticatorAvailable's examples imply it should be static == The example in the spec shows static usage of `isPlatformAuthenticatorAvailable`: https://github.com/w3c/webauthn/blob/089c10e16bdcda0bd75db1d7f1d6a2be21304e08/index.bs#L3432-L3451 However, isPlatformAuthenticatorAvailable is defined [`[Unscopable]`](https://www.w3.org/2017/08/webidl-fpwd-draft.html#Unscopable), which is a [regular operation](https://www.w3.org/2017/08/webidl-fpwd-draft.html#dfn-regular-operation) which is defined as being **not** static. I think the static method of using this is what we want, actually. Declaring this as a non-static method on `PublicKeyCredential` means users need to obtain a concrete `PublicKeyCredential` object on which to call `isPlatformAuthenticatorAvailable()`. This leads to a situation where you have to first complete a call to `navigator.credentials.create()` in order to call `isPlatformAuthenticatorAvailable()`. Firefox's implementation is thus - until I hear otherwise - replacing `[Unscopable]` with `static` and I'll open a PR to do the same to the spec. Please view or discuss this issue at https://github.com/w3c/webauthn/issues/618 using your GitHub accountReceived on Monday, 9 October 2017 22:32:23 UTC
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