New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  todos: [],
  actions: {
  	add() {
      debugger;
    	this.get('todos').pushObject(this.get('newText'));
    },
    remove(index) {
    	this.get('todos').removeAt(index);
    }
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<ul>
{{#each todos as |todo index|}}
	<li>{{todo}} <span {{action "remove" index}}>(remove)</span></li>
{{/each}}
</ul>

{{input value=newText}}
<button {{action 'add'}}>Add</button>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}