>> From: [email protected] [mailto:[email protected]] >> On Behalf Of John-David Dalton >> Subject: Number.isNaN
>> I noticed that ES6 `Number.isNaN` checks `Type(number)` of Number, would it >> make sense to instead check that the [[BuiltinBrand]] is >> BuiltinNumberWrapper similar to `Array.isArray`'s check. This would also >> allow `Number.isNaN(Object(NaN))` to return `true`. Thoughts? The current draft spec [0] uses a ToNumber coercion and checks whether this results is NaN. So "Number.isNaN(Object(NaN))" will return "true". Luke [0] http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
