Helper functions for adding and removing listeners to Node and NodeList objects
npm install addlistener.json, off and once methods to the Node, NodeList and window prototypes.bash
$ npm install --save addlistener.js
`Example
javascript
import 'addlistener.js';// Adding a click listener to element myFoobar
let myElement = document.getElementById('#foobar');
const removeClickListener = myElement.on('click', (event) => { ... });
// The addListener returns a functions which remove the listener when invoked:
removeClickListener();
// Futhermore, you can use the on, off and once on element(s):
let myElements = document.querySelectorAll('.foobar');
myElements.once('click' (event) => { ... });
// And on the window object
window.on('resize', (event) => { ... });
``