event test

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Twiddle',
  inputValue: 'test',
  aFunction(val) {
  	console.log(this.get('inputValue'));
  },
  actions: {
  	update() {
      console.log(event);
  	}
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
{{Twiddle}}
<button {{action 'update'}} >click me</button>
<input type="text" value={{inputValue}} oninput={{action (mut inputValue) value=target.value}}/>
<br>
<br>

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": {
    "ember-data": "2.12.1"
  }
}