tree: d88281545e12e89014fd987f87add3ec212e7101 [path history] [tgz]
  1. .editorconfig
  2. .eslintignore
  3. .eslintrc
  4. .nycrc
  5. CHANGELOG.md
  6. index.js
  7. LICENSE
  8. package.json
  9. README.md
node_modules/is-negative-zero/README.md

is-negative-zero Version Badge

github actions coverage dependency status dev dependency status License Downloads

npm badge

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