is

‘is’ is lightweight type testing library. Works in both Node.js and the browser. No dependencies.

Install

NPM

npm install @jackens/is

CDN

<script type="text/javascript" src="https://cdn.rawgit.com/jackens/is/master/is.js"></script>

or

<script type="text/javascript" src="https://cdn.rawgit.com/jackens/is/master/is.min.js"></script>

or

<script type="text/javascript" src="https://unpkg.com/@jackens/is/is.js"></script>

or

<script type="text/javascript" src="https://unpkg.com/@jackens/is/is.min.js"></script>

Usage

var is = require('@jackens/is')

is.array(arg)
is.boolean(arg)
is.date(arg)
is.defined(arg)
is.empty(arg)
is.function(arg)
is.null(arg)
is.number(arg)
is.object(arg)
is.regexp(arg)
is.string(arg)
is.undefined(arg)