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existential

Kikobeats2.5kMIT1.0.3

The missing existential operator for JavaScript. Returns true unless a variable is null or undefined

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The missing existential operator for JavaScript. Returns true unless a variable is null or undefined.

npm install existential

If you want to use in the browser (powered by Browserify):

bower install existential --save

and later link in your HTML:

<script src="bower_components/existential/dist/existential.js"></script>

var exists = require('existential');

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

console.log(exists('hello world'));
// => true