Is this value negative zero? === will lie to you
Package: is-negative-zero
Created by: inspect-js
Last modified: Mon, 19 Feb 2024 20:08:47 GMT
Version: 2.0.3
License: MIT
Downloads: 119,351,517
Repository: https://github.com/inspect-js/is-negative-zero
Install
npm install is-negative-zero
yarn add is-negative-zero
is-negative-zero 
Is this value negative zero? === will lie to you.
Example
var isNegativeZero = require('is-negative-zero');
var assert = require('assert');
assert.notOk(isNegativeZero(undefined));
assert.notOk(isNegativeZero(null));
assert.notOk(isNegativeZero(false));
assert.notOk(isNegativeZero(true));
assert.notOk(isNegativeZero(0));
assert.notOk(isNegativeZero(42));
assert.notOk(isNegativeZero(Infinity));
assert.notOk(isNegativeZero(-Infinity));
assert.notOk(isNegativeZero(NaN));
assert.notOk(isNegativeZero('foo'));
assert.notOk(isNegativeZero(function () {}));
assert.notOk(isNegativeZero([]));
assert.notOk(isNegativeZero({}));
assert.ok(isNegativeZero(-0));
Tests
Simply clone the repo, npm install, and run npm test
