Marionette.js. CollectionView's. childViewEventPrefix

You can customize the event prefix for events that are forwarded through the collection view.

by marionettejs

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.js/1.3.3/backbone-min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/backbone.radio/2.0.0/backbone.radio.min.js"></script>
<script src="https://rawgit.com/marionettejs/backbone.marionette/next/lib/backbone.marionette.js"></script>

JavaScript

const { View, CollectionView } = Marionette; // import { View, CollectionView } from 'backbone.marionette';

const myCollection = new Backbone.Collection([{}]);

const ChildView = View.extend({
	template: _.template('.')
});

const MyCollectionView = CollectionView.extend({
  childViewEventPrefix: 'some:prefix',
  collection: myCollection,
  childView: ChildView
});

const collectionView = new MyCollectionView();

collectionView.on('some:prefix:render', function(){
  console.log('child view was rendered')
});

collectionView.render();