is-nil

Checks if the given value is null or undefined.

Install

$ npm install --save is-nil 

Usage

var isNil = require('is-nil');
 
isNil(null);     // => true
isNil(void 0);   // => true
 
isNil('abc');    // => false
isNil(123);      // => false
isNil(true);     // => false
isNil(false);    // => false
isNil({});       // => false
isNil([]);       // => false
isNil(NAN);      // => false

Related

• is-null - Checks if the given value is null.
• is-window - Checks if the given value is a window object.
• is-native - Checks if the given value is a native function.
• is-array-like - Checks if the given value is an array or an array-like object.

Contributing

Pull requests and stars are highly welcome.

For bugs and feature requests, please create an issue.