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isUndefined

_.isUndefined(value) # Ⓢ [Ⓣ][1] Ⓝ

Checks if value is undefined.

Since​

0.1.0

Arguments​

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

Returns​

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

Example​

_.isUndefined(void 0);
// => true

_.isUndefined(null);
// => false