New Twiddle

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  name: Ember.computed.alias('model.name')
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component
  model=model
  name="Sean"}}

{{!-- thanks to the .alias in the component above, the model has been modified --}}
{{model.name}} wishes he were as cool.
<br>
<br>

templates.components.my-component.hbs

{{name}} is so cool.

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}