Checks if value is null or undefined.
value
null
undefined
The value to check.
Returns true if value is nullish, else false.
true
false
5.6.0
isNil(null)// => trueisNil(void 0)// => trueisNil(NaN)// => false Copy
isNil(null)// => trueisNil(void 0)// => trueisNil(NaN)// => false
Checks if
valueisnullorundefined.