Example

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: '" Quotted "'
});

templates.application.hbs

<br>
<br>
Example string: {{{appName}}}
<br />
And I'd like to do the same with input, but:<br />
{{{input value=appName}}}
<br>
<br>

twiddle.json

{
  "version": "0.7.2",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.4.4",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
    "ember-template-compiler": "2.4.4"
  }
}