New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  init() {
  	this._super(...arguments);
    this.func = () => {};
    this.func.aProp = 'this is a property on a function';
  }
});

templates.application.hbs

expect func.aProp to be in quotes: "{{func.aProp}}"

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.10.1"
  }
}