Triple curley

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  commentText:'&lt; &gt; &amp; <a href=""> SMA </a>',
  
  imgTag: "'><img src=s onerror=alert()>"
  
});

templates.application.hbs

<h1>Use of Double & Triple curly brackets</h1>
<br><hr><br>

<h2>Double curly</h2><br>
{{commentText}}

{{imgTag}}
<br>
<br>



<br>
<br>
<h2>Triple curly</h2><br>
{{{commentText}}}

{{{imgTag}}}
<br>
<br>

twiddle.json

{
  "version": "0.13.0",
  "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"
  },
  "addons": {
    "ember-data": "2.16.3"
  }
}