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isNan() argument type #23464

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IgorSzymanski opened this issue Apr 17, 2018 · 1 comment

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IgorSzymanski commented Apr 17, 2018

If only a number can be the argument of this function, when does it return true?

https://github.com/Microsoft/TypeScript/blob/8175d29878edc50db1f6ba94c1d80071d5ddc7f7/lib/lib.es5.d.ts#L49-L53

IgorSzymanski closed this as completed

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IgorSzymanski commented Apr 17, 2018

duplicate of #4002

RyanCavanaugh added the Duplicate label

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