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object-is

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object-is

ES2015-compliant shim for Object.is - differentiates between -0 and +0

    1.1.5latest

Version published
Maintainers
2
Weekly downloads
13,019,870
increased by0.41%

Weekly downloads

Changelog

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v1.1.5 - 2021-02-20

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#object-is Version Badge

Build Status dependency status dev dependency status License Downloads

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ES2015-compliant shim for Object.is - differentiates between -0 and +0, and can compare to NaN.

Essentially, Object.is returns the same value as === - but true for NaN, and false for -0 and +0.

This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the spec.

Example

Object.is = require('object-is'); var assert = require('assert'); assert.ok(Object.is()); assert.ok(Object.is(undefined)); assert.ok(Object.is(undefined, undefined)); assert.ok(Object.is(null, null)); assert.ok(Object.is(true, true)); assert.ok(Object.is(false, false)); assert.ok(Object.is('foo', 'foo')); var arr = [1, 2]; assert.ok(Object.is(arr, arr)); assert.notOk(Object.is(arr, [1, 2])); assert.ok(Object.is(0, 0)); assert.ok(Object.is(-0, -0)); assert.notOk(Object.is(0, -0)); assert.ok(Object.is(NaN, NaN)); assert.ok(Object.is(Infinity, Infinity)); assert.ok(Object.is(-Infinity, -Infinity));

Tests

Simply clone the repo, npm install, and run npm test

Keywords

FAQs

What is object-is?

ES2015-compliant shim for Object.is - differentiates between -0 and +0

Is object-is popular?

The npm package object-is receives a total of 12,436,113 weekly downloads. As such, object-is popularity was classified as popular.

Is object-is well maintained?

We found that object-is demonstrated a not healthy version release cadence and project activity. It has 2 open source maintainers collaborating on the project.

Last updated on 20 Feb 2021
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