New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  arr: Ember.A(),
  
  actions: {
  	add() {
    	var arr = this.get('arr');
      
      arr.pushObject({
        title: new Date()
      });
    },
    
    remove(item) {
    	var arr = this.get('arr');
      
      arr.removeObject(item);
    }
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<a {{action 'add'}}>Add Item</a>
<ul>
{{#each arr as |item|}}
  <li>{{item.title}} <a {{action 'remove' item}}>x</a></li>
{{/each}}
</ul>

twiddle.json

{
  "version": "0.4.9",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.11/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember-template-compiler.js"
  }
}