New Twiddle

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
  
  target_id : '',
  classNames: [ 'parent-comp' ],
  
  click( e ){
    this.set( 'target_id', e.target.id );  
    console.log(e);
  }
  
});

controllers.application.js

import Ember from 'ember';

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

styles.app.css

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

.parent-comp{
	border: solid 1px;
  height: 200px;
}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component}}
{{outlet}}
<br>
<br>

templates.components.my-component.hbs

<button id='comp-button'> Click me.. </button>

<br>
<br>

Target element id : {{ target_id }}

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {}
}