John-David Dalton john.david.dalton at
Thu Dec 13 19:19:35 PST 2012

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?

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