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- # is-negative-zero <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
- [![github actions][actions-image]][actions-url]
- [![coverage][codecov-image]][codecov-url]
- [![dependency status][deps-svg]][deps-url]
- [![dev dependency status][dev-deps-svg]][dev-deps-url]
- [![License][license-image]][license-url]
- [![Downloads][downloads-image]][downloads-url]
- [![npm badge][npm-badge-png]][package-url]
- Is this value negative zero? === will lie to you.
- ## Example
- ```js
- 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`
- [package-url]: https://npmjs.org/package/is-negative-zero
- [npm-version-svg]: https://versionbadg.es/inspect-js/is-negative-zero.svg
- [deps-svg]: https://david-dm.org/inspect-js/is-negative-zero.svg
- [deps-url]: https://david-dm.org/inspect-js/is-negative-zero
- [dev-deps-svg]: https://david-dm.org/inspect-js/is-negative-zero/dev-status.svg
- [dev-deps-url]: https://david-dm.org/inspect-js/is-negative-zero#info=devDependencies
- [npm-badge-png]: https://nodei.co/npm/is-negative-zero.png?downloads=true&stars=true
- [license-image]: https://img.shields.io/npm/l/is-negative-zero.svg
- [license-url]: LICENSE
- [downloads-image]: https://img.shields.io/npm/dm/is-negative-zero.svg
- [downloads-url]: https://npm-stat.com/charts.html?package=is-negative-zero
- [codecov-image]: https://codecov.io/gh/inspect-js/is-negative-zero/branch/main/graphs/badge.svg
- [codecov-url]: https://app.codecov.io/gh/inspect-js/is-negative-zero/
- [actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-negative-zero
- [actions-url]: https://github.com/inspect-js/is-negative-zero/actions
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