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isNaN

_.isNaN(value) # Ⓢ [Ⓣ][1] Ⓝ

Checks if value is NaN.





Note: This method is based on



Number.isNaN and is not the same as



global isNaN which returns true for



undefined and other non-number values.

Since​

0.1.0

Arguments​

  1. value (*): The value to check.

Returns​

(boolean): Returns true if value is NaN, else false.

Example​

_.isNaN(NaN);
// => true

_.isNaN(new Number(NaN));
// => true

isNaN(undefined);
// => true

_.isNaN(undefined);
// => false