mirror of https://github.com/jkjoy/sunpeiwen.git
126 lines
4.4 KiB
Markdown
126 lines
4.4 KiB
Markdown
# is-plain-object [](https://www.npmjs.com/package/is-plain-object) [](https://npmjs.org/package/is-plain-object) [](https://npmjs.org/package/is-plain-object) [](https://travis-ci.org/jonschlinkert/is-plain-object)
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> Returns true if an object was created by the `Object` constructor, or Object.create(null).
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Please consider following this project's author, [Jon Schlinkert](https://github.com/jonschlinkert), and consider starring the project to show your :heart: and support.
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## Install
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Install with [npm](https://www.npmjs.com/):
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```sh
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$ npm install --save is-plain-object
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```
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Use [isobject](https://github.com/jonschlinkert/isobject) if you only want to check if the value is an object and not an array or null.
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## Usage
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with es modules
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```js
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import { isPlainObject } from 'is-plain-object';
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```
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or with commonjs
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```js
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const { isPlainObject } = require('is-plain-object');
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```
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**true** when created by the `Object` constructor, or Object.create(null).
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```js
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isPlainObject(Object.create({}));
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//=> true
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isPlainObject(Object.create(Object.prototype));
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//=> true
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isPlainObject({foo: 'bar'});
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//=> true
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isPlainObject({});
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//=> true
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isPlainObject(null);
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//=> true
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```
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**false** when not created by the `Object` constructor.
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```js
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isPlainObject(1);
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//=> false
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isPlainObject(['foo', 'bar']);
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//=> false
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isPlainObject([]);
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//=> false
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isPlainObject(new Foo);
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//=> false
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isPlainObject(Object.create(null));
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//=> false
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```
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## About
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<details>
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<summary><strong>Contributing</strong></summary>
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Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](../../issues/new).
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</details>
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<details>
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<summary><strong>Running Tests</strong></summary>
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Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:
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```sh
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$ npm install && npm test
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```
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</details>
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<details>
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<summary><strong>Building docs</strong></summary>
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_(This project's readme.md is generated by [verb](https://github.com/verbose/verb-generate-readme), please don't edit the readme directly. Any changes to the readme must be made in the [.verb.md](.verb.md) readme template.)_
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To generate the readme, run the following command:
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```sh
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$ npm install -g verbose/verb#dev verb-generate-readme && verb
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```
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</details>
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### Related projects
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You might also be interested in these projects:
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* [is-number](https://www.npmjs.com/package/is-number): Returns true if a number or string value is a finite number. Useful for regex… [more](https://github.com/jonschlinkert/is-number) | [homepage](https://github.com/jonschlinkert/is-number "Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.")
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* [isobject](https://www.npmjs.com/package/isobject): Returns true if the value is an object and not an array or null. | [homepage](https://github.com/jonschlinkert/isobject "Returns true if the value is an object and not an array or null.")
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* [kind-of](https://www.npmjs.com/package/kind-of): Get the native type of a value. | [homepage](https://github.com/jonschlinkert/kind-of "Get the native type of a value.")
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### Contributors
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| **Commits** | **Contributor** |
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| --- | --- |
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| 19 | [jonschlinkert](https://github.com/jonschlinkert) |
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| 6 | [TrySound](https://github.com/TrySound) |
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| 6 | [stevenvachon](https://github.com/stevenvachon) |
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| 3 | [onokumus](https://github.com/onokumus) |
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| 1 | [wtgtybhertgeghgtwtg](https://github.com/wtgtybhertgeghgtwtg) |
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### Author
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**Jon Schlinkert**
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* [GitHub Profile](https://github.com/jonschlinkert)
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* [Twitter Profile](https://twitter.com/jonschlinkert)
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* [LinkedIn Profile](https://linkedin.com/in/jonschlinkert)
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### License
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Copyright © 2019, [Jon Schlinkert](https://github.com/jonschlinkert).
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Released under the [MIT License](LICENSE).
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***
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_This file was generated by [verb-generate-readme](https://github.com/verbose/verb-generate-readme), v0.8.0, on April 28, 2019._
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