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is-negative-zero (2.0.3)

Published 2026-02-24 13:58:29 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install is-negative-zero@2.0.3

or add it to the package.json file:

"is-negative-zero": "2.0.3"

For more information on the npm registry, see the documentation.

About this package

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

Dependencies

Development Dependencies

ID	Version
@ljharb/eslint-config	^21.1.0
@types/tape	^5.6.4
aud	^2.0.4
auto-changelog	^2.4.0
eslint	=8.8.0
in-publish	^2.0.1
npmignore	^0.3.1
nyc	^10.3.2
safe-publish-latest	^2.0.0
tape	^5.7.5
typescript	next

Keywords

is negative zero negative zero number positive 0 -0

Details

npm

2026-02-24 13:58:29 +00:00

1

Jordan Harband

Project Site

MIT

latest

9.2 KiB

Assets (1)

is-negative-zero-2.0.3.tgz 9.2 KiB

Versions (1) View all

2.0.3 2026-02-24