New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName:'Ember Twiddle',
  
  actions: {
   	authenticate(name, password) {
    	alert(`${name} / ${password}`);
    }
  }
});

application.template.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{login-form login=(action "authenticate")}}
<br>
<br>

login-form.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  actions: {
    login() {
      this.get('login')(this.get('name'), this.get('password')); 
    }
  }
});

login-form.template.hbs

<form {{action "login" on="submit"}}>
	{{input value=name}}<br>
  {{input type="password" value=password}}<br>
  {{input type="submit" value="Submit"}}
</form>

twiddle.json

{
  "version": "0.5.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "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/2.2.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.2.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.2.0/ember-template-compiler.js"
  }
}