Automatically split a Backbone collection into multiple Virtual Collections based on a key.
var SplitCollection = require('backbone-virtualcollection-split');
var collection = new Backbone.Collection([{
date: '2015-07-10',
name: 'zaico'
}, {
date: '2015-07-10',
name: 'japser'
}, {
date: '2015-07-07',
name: 'henk'
}, {
date: '2015-07-07',
name: 'de vries'
}]);
var foo = new SplitCollection(collection, '');