ember-til

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
//  list: Ember.computed('model', function() {
//    return this.get('model');
//  },
  placeholder: 'wut u lern 2day?',
  buttonText: 'add',
  newContent: '',
  
  actions: {
    addNewItem: function(content) {
      let model = this.get('model');
      let newContent = this.get('newContent');
      const newItem = this.store.createRecord('item', { content: newContent });
      console.log('testtesttest', this.store);
			newItem.save();      
//      model.push
    }
  }
});

models.item.js

import Model from 'ember-data/model';
import attr from 'ember-data/attr';
import { belongsTo, hasMany } from 'ember-data/relationships';

export default Model.extend({
  content: DS.attr('string'),
});

routes.application.js

import Ember from 'ember';

export default Ember.Route.extend({
  model() {
  	return [{content: 'kids in Scotland are called Young Scots'},{content: 'if you get fouled you get fouled'}];
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{input value=newContent placeholder=placeholder}}
<button {{action 'addNewItem' newContent}}>{{buttonText}}</button>
{{#each model as |item|}}
	<ul>
		<li>{{item.content}}</li>
	</ul>
{{/each}}
<br>
<br>

twiddle.json

{
  "version": "0.13.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.16.2",
    "ember-template-compiler": "2.16.2",
    "ember-testing": "2.16.2"
    "ember-cli-mirage": "0.2.3",
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}