isNil
Checks if a value is null or undefined.
Parameters​
value (any): The value to check.
Returns​
(boolean): true if the value is null or undefined, false otherwise.
Examples​
isNil(' ');
// Expected output: false
isNil(22);
// Expected output: false
isNil({});
// Expected output: false
isNil(null);
// Expected output: true
isNil(undefined);
// Expected output: true