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isNan() argument type #23464

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isNan() argument type#23464
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@IgorSzymanski
IgorSzymanski
opened on 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

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IgorSzymanski
closed this as completedon Apr 17, 2018
IgorSzymanski

IgorSzymanski commented on Apr 17, 2018

@IgorSzymanski
IgorSzymanski
on Apr 17, 2018
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duplicate of #4002

RyanCavanaugh
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DuplicateAn existing issue was already created
on Apr 17, 2018
microsoft
locked and limited conversation to collaborators on Jul 26, 2018
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          isNan() argument type · Issue #23464 · microsoft/TypeScript