stackoverflow question#43350970

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
    sendRequest() {
     let requestParams = {url: 'https://www.randomtext.me/api/lorem/ul-5/5-15',
     		type: 'GET', dataType:'json'};
      Ember.$.ajax(requestParams).then((json)=>{
        console.log(json);
        this.set('randomText', Ember.String.htmlSafe(json.text_out));
      });
    }
  }
});   

templates.application.hbs

 <h1>Random Text</h1>
 {{randomText}}<br>
<button {{action "sendRequest"}}>Do Test</button>

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
  }
}