Files
Henry Whitaker 2219b0213c npm install
2021-03-07 09:24:01 +00:00
..
2020-11-07 15:27:50 +00:00
2020-11-07 15:27:50 +00:00
2020-11-07 15:27:50 +00:00
2020-11-07 15:27:50 +00:00
2020-11-07 15:27:50 +00:00
2020-11-07 15:27:50 +00:00
2021-03-07 09:24:01 +00:00
2020-11-07 15:27:50 +00:00
2020-11-07 15:27:50 +00:00

#is-negative-zero Version Badge

Build Status dependency status dev dependency status License Downloads

npm badge

browser support

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