New Twiddle

controllers.application.js

import Ember from 'ember';

const { computed } = Ember;

export default Ember.Controller.extend({
  actions: {
    addNewPerson() {
      this.get('people').pushObject({ name: this.get('newPersonName') });
      this.set('newPersonName', null);
    }
  },
  appName: 'Ember Twiddle',
  people: [
  	{ name: 'Max' },
    { name: 'Moritz' }
	],
  peopleSortedBy: ['name'],
  peopleSorted: computed.sort('people', 'peopleSortedBy')
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>

<input onchange={{action (mut newPersonName) value="target.value"}}>
<button onclick={{action 'addNewPerson'}}>add</button>
<ul>
	{{#each peopleSorted as |person|}}
  	<li>{{person.name}}</li>
  {{/each}}
</ul>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}