is-fn
v1.0.0 function func fn check detect is test type
is-fn
Check if a value is a function
In Node.js, just use typeof fn
which works exactly the same. This module can be useful in the browser where typeof fn
has a myriad of bugs.
Install
$ npm install is-fn
Usage
import isFunction from 'is-fn';
isFunction(() => {});
//=> true
isFunction('unicorn');
//=> false
Related
- @sindresorhus/is - Type check values
npm i [email protected]
Metadata
- MIT
- >=0.10.0
- Sindre Sorhus
- released 8/30/2015