Null Packages

A utility to determine if a value is null

static files for andyt

An advanced package to display errors

Javascript library for comparing equality of any number of given variables of any type by value and without any order or sorting.

null is not scary

Utilities and types to help with simple Boolean checks

Module to know if a object isNotEmpty, isNull, isUndefined...

This package allows you to recursively clean objects from empty keys (NULL values, empty objects, strings and arrays), filter objects using a callback function.

Convert any value into a boolean value.

Returns duplicates-removed array -- has options for case-sensitivity and strict-typing.

this package will delete null or empty objects from an object

Basic sort algorithm that has similar behavior to Array.prototype.sort for null and undefined, but also support symbol.

Java 8 Optionals for JS

To check if the input is null, undefined, empty string, empty array, or an empty object

This package will check for empty / null / undefined value

Returns the datatype of the arg.

costco smart pump and payment

Test if a value is undefined or null.

Test if a value is null.