import Ember from 'ember';

import { A } from '@ember/array';

import ArrayProxy from '@ember/array/proxy';

​

export default Ember.Controller.extend({

  appName: 'Ember Twiddle',

    init(...args) {

      this._super(...args);

      let a = ArrayProxy.create({

        content: A(["hello", "world"])

      });

      console.log(a.join(", ")); 

   },

});

​