New Twiddle

application.controller.js

import Ember from 'ember';

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

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-comp name=name}}
{{outlet}}
<br>
<br>

my-comp.component.js

import Ember from 'ember';

export default Ember.Component.extend({
actions: {
	add() {
this.set('val', 'name');
		console.log(this.get('val'), 'attr', this.get('attr.val.value'));
  }
}
});

my-comp.template.hbs

hai
<button {{action 'add'}}> add </button>
{{yield}}

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}