New Twiddle

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
init() {
	this._super(...arguments);
	this.set('apple', 'new');
}
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
	apple: 'old'
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
controller.hbs
<hr>
Apple: {{apple}}
<br>
<br>

<div style="border-top: 1px solid red"></div>
component.hbs

{{my-component apple=apple}}
{{outlet}}
<br>
<br>

templates.components.my-component.hbs

Apple: {{apple}}
{{yield}}

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": "beta",
    "ember-data": "2.9.0",
    "ember-template-compiler": "beta",
    "ember-testing": "beta"
  },
  "addons": {}
}