is-number-object (1.1.1)
Published 2026-02-24 13:58:30 +00:00 by atheaadmin
Installation
registry=npm install is-number-object@1.1.1"is-number-object": "1.1.1"About this package
is-number-object 
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Example
var isNumber = require('is-number-object');
var assert = require('assert');
assert.notOk(isNumber(undefined));
assert.notOk(isNumber(null));
assert.notOk(isNumber(false));
assert.notOk(isNumber(true));
assert.notOk(isNumber('foo'));
assert.notOk(isNumber(function () {}));
assert.notOk(isNumber([]));
assert.notOk(isNumber({}));
assert.notOk(isNumber(/a/g));
assert.notOk(isNumber(new RegExp('a', 'g')));
assert.notOk(isNumber(new Date()));
assert.ok(isNumber(42));
assert.ok(isNumber(NaN));
assert.ok(isNumber(Infinity));
assert.ok(isNumber(new Number(42)));
Tests
Simply clone the repo, npm install, and run npm test
Dependencies
Dependencies
| ID | Version |
|---|---|
| call-bound | ^1.0.3 |
| has-tostringtag | ^1.0.2 |
Development Dependencies
| ID | Version |
|---|---|
| @arethetypeswrong/cli | ^0.17.1 |
| @ljharb/eslint-config | ^21.1.1 |
| @ljharb/tsconfig | ^0.2.2 |
| @types/core-js | ^2.5.8 |
| @types/tape | ^5.7.0 |
| auto-changelog | ^2.5.0 |
| core-js | ^3.39.0 |
| eclint | ^2.8.1 |
| encoding | ^0.1.13 |
| eslint | =8.8.0 |
| in-publish | ^2.0.1 |
| indexof | ^0.0.1 |
| is | ^3.3.0 |
| npmignore | ^0.3.1 |
| nyc | ^10.3.2 |
| safe-publish-latest | ^2.0.0 |
| tape | ^5.9.0 |
| typescript | next |
Keywords
Number
ES6
toStringTag
@@toStringTag
Number object