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@bemoje/is-undefined

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Check whether the provided value is undefined.

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# @bemoje/is-undefined Check whether the provided value is undefined. #### Version <span><a href="https://npmjs.org/@bemoje/is-undefined" title="View this project on NPM"><img src="https://img.shields.io/npm/v/@bemoje/is-undefined" alt="NPM version" /></a></span> #### Travis CI <span><a href="https://npmjs.org/@bemoje/is-undefined" title="View this project on NPM"><img src="https://travis-ci.org/bemoje/bemoje-is-undefined.svg?branch=master" alt="dependencies" /></a></span> #### Dependencies <span><a href="https://npmjs.org/@bemoje/is-undefined" title="View this project on NPM"><img src="https://david-dm.org/bemoje/bemoje-is-undefined.svg" alt="dependencies" /></a></span> #### Stats <span><a href="https://npmjs.org/@bemoje/is-undefined" title="View this project on NPM"><img src="https://img.shields.io/npm/dt/@bemoje/is-undefined" alt="NPM downloads" /></a></span> <span><a href="https://github.com/bemoje/bemoje-is-undefined/fork" title="Fork this project"><img src="https://img.shields.io/github/forks/bemoje/bemoje-is-undefined" alt="Forks" /></a></span> #### Donate <span><a href="https://www.buymeacoffee.com/bemoje" title="Donate to this project using Buy Me A Beer"><img src="https://img.shields.io/badge/buy%20me%20a%20coffee-donate-yellow.svg?label=Buy me a beer!" alt="Buy Me A Beer donate button" /></a></span> <span><a href="https://paypal.me/forstaaloen" title="Donate to this project using Paypal"><img src="https://img.shields.io/badge/paypal-donate-yellow.svg?label=PayPal" alt="PayPal donate button" /></a></span> ## Installation ```sh npm install @bemoje/is-undefined npm install --save @bemoje/is-undefined npm install --save-dev @bemoje/is-undefined ``` ## Usage ```javascript import isUndefined from '@bemoje/is-undefined' isUndefined(void 0) //=> true isUndefined(undefined) //=> true isUndefined('undefined') //=> false isUndefined(null) //=> false ``` ## Benchmark 79700 nanoseconds ## Tests Uses *Jest* to test module functionality. Run tests to get coverage details. ```bash npm run test ``` ## API ### isUndefined Check whether the provided value is undefined. ##### Parameters - `value` **any** The value to evaluate. ##### Returns **[boolean][3]** [1]: #isundefined [2]: #parameters [3]: https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Boolean