New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  items: Ember.computed(function() {
  	var result = [];
    
    for(var i = 0; i < 100; i++) {
      result.push({
      	title: 'Hello world ' + i  
      });
    }

    return result;
  }),
  
  actions: {
  	addItem: function() {
    	this.get('items').addObject({
      	title: 'New object'  
      });
    }
  }
});

application.template.hbs

<button {{action 'addItem'}}>Add item</button>

{{#ui-table items=items as |item|}}
	<li>{{item.title}}</li>
{{/ui-table}}

twiddle.json

{
  "version": "0.6.0",
  "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/1.13.6/ember.debug.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.6/ember-template-compiler.js"
  }
}

ui-table.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: 'ul'
});

ui-table.template.hbs

{{#each items as |item|}}
	{{yield item}}
{{/each}}