Clicked outside

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  actions: {
    clickOutside(event) {
      const $target = Ember.$(event.target);
      const clickedOutside = typeof $target.data('outside') !== 'undefined';
      alert("Clicked outside: " + (clickedOutside ? "yes" : "no"));
    },
  },
});

styles.app.css

body {
  margin: 12px 16px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 12pt;
}

.outside {
  background: yellow;
  padding: 20px;
  position: fixed;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}

.inside {
  background: white;
  padding: 20px;
  margin: 20px;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<p>Text here (1)</p>

<div onclick={{action "clickOutside"}} class="outside" data-outside>

<p>Text here (2)</p>

<div class="inside">
  test
</div>

<p>Text here (3)</p>

</div>

twiddle.json

{
  "version": "0.10.5",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.8.0",
    "ember-data": "2.8.0",
    "ember-template-compiler": "2.8.0",
    "ember-testing": "2.8.0"
  },
  "addons": {}
}