array-holes-ignored

application.controller.js

import Ember from 'ember';

const on = Ember.on;

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  
  setMyNumbers: on('init', function() {
    let array = new Array(7);
    
    for(let i = 0; i < 5; i++) {
      array[i] = i + 1;
    }
    
    this.set('myNumbers', array);
  })
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>

<ul>
	{{#each myNumbers as |num|}}
  	{{#if num}}
    	<li>{{num}}</li>
    {{else}}
      <li>Array hole!</li>
    {{/if}}
  {{/each}}
</ul>

<br>
<br>

twiddle.json

{
  "version": "0.4.14",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}