New Twiddle

components.mouse-move.js

import Ember from 'ember';

export default Ember.Component.extend({
  didInsertElement: function() {
  	document.addEventListener("mousemove", (e) => {
      this.set('timeStamp', parseInt(e.timeStamp));
    });
  }
});

controllers.application.js

import Ember from 'ember';

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

templates.application.hbs

{{mouse-move}}

templates.components.mouse-move.hbs

<div style="width: 100%; height: 400px; background-color: cornflowerblue; color: white">
 move your mouse here, e.timeStamp is 
 <pre>[{{timeStamp}}]</pre>
 
 <hr />
 In chrome 49, it will be something like <b>3456</b> which is ms since page load. <br />
 In firefox 45, it will be something like <b>9362308</b> which is ms since machine start. <br />
 In safari 9, it will be something like <b>1459630789270</b> which is ms since 1st Jan 1970.
</div>

twiddle.json

{
  "version": "0.7.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.3/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.4.3/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.4.3/ember-template-compiler.js"
  }
}