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# is-primitive [](https://www.npmjs.com/package/is-primitive) [](https://npmjs.org/package/is-primitive) [](https://npmjs.org/package/is-primitive) [](https://travis-ci.org/jonschlinkert/is-primitive)
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> Returns `true` if the value is a primitive.
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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-primitive
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```
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## Primitive values
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The [Mozilla docs for "Primitive values"](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Primitive_values) defines specifies six data types that are primitives:
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* `Boolean`
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* `Null`
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* `Undefined`
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* `Number`
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* `String`
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* `Symbol` (new in ECMAScript 6)
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## Usage
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```js
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var isPrimitive = require('is-primitive');
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```
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## true
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All of the following return `true`:
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```js
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console.log(isPrimitive(false));
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console.log(isPrimitive(true));
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console.log(isPrimitive(null));
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console.log(isPrimitive());
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console.log(isPrimitive(42));
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console.log(isPrimitive('abc'));
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console.log(isPrimitive(Symbol()));
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//=> true
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```
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## false
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Everything else returns `false`:
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```js
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console.log(isPrimitive({}));
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console.log(isPrimitive([]));
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console.log(isPrimitive(function(){}));
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console.log(isPrimitive(new Date()));
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// et cetera...
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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 the value is a number. comprehensive tests. | [homepage](https://github.com/jonschlinkert/is-number "Returns true if the value is a number. comprehensive tests.")
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* [is-plain-object](https://www.npmjs.com/package/is-plain-object): Returns true if an object was created by the `Object` constructor. | [homepage](https://github.com/jonschlinkert/is-plain-object "Returns true if an object was created by the `Object` constructor.")
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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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| 11 | [jonschlinkert](https://github.com/jonschlinkert) |
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| 1 | [ljharb](https://github.com/ljharb) |
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| 1 | [bttmly](https://github.com/bttmly) |
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| 1 | [hemanth](https://github.com/hemanth) |
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### Author
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**Jon Schlinkert**
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* [github/jonschlinkert](https://github.com/jonschlinkert)
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* [twitter/jonschlinkert](https://twitter.com/jonschlinkert)
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### License
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Copyright © 2017, [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), v0.6.0, on November 23, 2017._
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