New Twiddle

controllers.application.js

import Ember from 'ember';

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

router.js

import Ember from 'ember';
import config from './config/environment';

const Router = Ember.Router.extend({
  location: 'none'
});

Router.map(function() {
  this.route('tabbing', function() {
    this.route('tab1');
    this.route('tab2');
  });
});

export default Router;

routes.index.js

import Ember from 'ember';

export default Ember.Route.extend({
  beforeModel() {
    this.transitionTo('tabbing');
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>

templates.tabbing.hbs

This is on all tabs visible

<div class="tabpanel">
  <div class="tabs">
    {{#link-to 'tabbing.tab1' tagName="div"}}First tab{{/link-to}}
    {{#link-to 'tabbing.tab2' tagName="div"}} Second tab{{/link-to}}
  </div>
  {{outlet}}
</div>

templates.tabbing.tab1.hbs

Tab1 content

templates.tabbing.tab2.hbs

Tab2 content

twiddle.json

{
  "version": "0.8.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.5.1",
    "ember-data": "2.5.2",
    "ember-template-compiler": "2.5.1"
  }
}