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Tim van der Lippe
2c89197d0d
R=jacktfranklin@chromium.org No-Presubmit: True Bug: none Change-Id: I52dc24b12e350787085c5e3d131cface7ea87142 Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3060705 Commit-Queue: Tim van der Lippe <tvanderlippe@chromium.org> Reviewed-by: Paul Lewis <aerotwist@chromium.org>
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