npm install ear> Manage and call change listeners
```
$ npm install --save ear
`js`
var Listeners = require('ear')
var listeners = Listeners()
listeners.add(function (a, b) {
//=> hello
//=> world
})
listeners('hello', 'world')
#### Listeners() -> function
Create a new listener group. Returns a listeners function that will call all listeners with the provided arguments.
#### listeners.add(listener) -> function
Adds a new listener. Returns a remove function that will remove the new listener when called.
##### listener
Required
Type: function`
A listener to trigger when the parent function is called.
MIT © Ben Drucker