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善行少年PC端首次提交(基础版)
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10 months ago | |
|---|---|---|
| .. | ||
| .github | 10 months ago | |
| test | 10 months ago | |
| .editorconfig | 10 months ago | |
| .eslintrc | 10 months ago | |
| .nycrc | 10 months ago | |
| CHANGELOG.md | 10 months ago | |
| LICENSE | 10 months ago | |
| README.md | 10 months ago | |
| index.d.ts | 10 months ago | |
| index.js | 10 months ago | |
| package.json | 10 months ago | |
| tsconfig.json | 10 months ago | |
README.md
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