New Twiddle

application.controller.js

import Ember from 'ember';

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

application.template.hbs

<h1>Howdy</h1>
{{#my-component as |a b c|}}
  {{a}} - {{b}} - {{c}}
{{/my-component}}

my-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  propA: 'A!',
  propB: 'B.',
  propC: 'See!'
});

my-component.template.hbs

<div>{{yield propA propB propC}}</div>
<div>{{yield propC propB propA}}</div>

twiddle.json

{
  "version": "0.4.16",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}