is-negative-zero <sup></sup>

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

is-negative-zero

Is this value negative zero? === will lie to you

Latest v2.0.3 - Published 99 weeks ago

Versions

is-negative-zero - Installation

To install is-negative-zero via this registry, you'll need to install via the --registry parameter with your package manager.

NPM

npm install is-negative-zero --registry https://js.registry.sudovanilla.org

Learn more about the --registry parameter.

Yarn

yarn config set registry https://js.registry.sudovanilla.org
yarn install is-negative-zero

Learn more about the config option.

PNPM

pnpm install is-negative-zero --registry https://js.registry.sudovanilla.org

Learn more about the --registry parameter.

Bun

bun install is-negative-zero --registry https://js.registry.sudovanilla.org

Learn more about the --registry parameter.

Learn more about setting this up in your bunfig.toml configuration.

For Deno, add the following to your .npmrc file in your directory:

registry="https://js.registry.sudovanilla.org"

Then run the deno install command.

is-negative-zero - Download

Download Tarball (v2.0.3)

Integrity sha512-5KoIu2Ngpyek75jXodFvnafB6DJgr3u8uuK0LEZJjrU19DrMD3EVERaR8sjz8CCGgpZvxPl9SuE1GMVPFHx1mw==
SHASUM ced903a027aca6381b777a5743069d7376a49747
Tarball https://js.registry.sudovanilla.org/is-negative-zero/-/is-negative-zero-2.0.3.tgz