is-undefined

is-undefined

Check if a value is undefined or not.

:cloud: Installation

# Using npm
npm install --save is-undefined

# Using yarn
yarn add is-undefined

:clipboard: Example

const isUndefined = require("is-undefined");

console.log(isUndefined(undefined));
// => true

console.log(isUndefined(false));
// => false

console.log(isUndefined(null));
// => false

:question: Get Help

There are few ways to get help:

1. Please post questions on Stack Overflow. You can open issues with questions, as long you add a link to your Stack Overflow question.
2. For bug reports and feature requests, open issues. :bug:
3. For direct and quick help, you can use Codementor. :rocket:

:memo: Documentation

isUndefined(input)

Checks if a value is undefined or not.

Params

• Anything input: The input value.

Return

• Boolean true, if the input is undefined, false otherwise.

:yum: How to contribute

Have an idea? Found a bug? See how to contribute.

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:dizzy: Where is this library used?

If you are using this library in one of your projects, add it in this list. :sparkles:

• tilda
• cli-box
• powershell
• spooky-element
• obj-unflatten
• spooky-view-manager
• is-eq-four
• is-eq-six
• is-eq-five
• is-eq-three
• is-eq-two
• is-eq-one
• is-eq-zero
• is-eq-seven
• is-eq-eight
• @khoulzo/itsm-date-formatter
• spooky-router
• octothorpe-xo
• get-key-or-default
• is-eq-ten
• is-eq-nine

:scroll: License

MIT © Ionică Bizău