New Twiddle

application.controller.js

import Ember from 'ember';

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

application.template.hbs

{{#form-component formAction="https://foo.com/submit.aspx" method='POST'}}
	{{input value='child of form'}}
  {{input type="hidden" value=hiddenValue}}
  <button type="submit">Submit</button>
{{/form-component}}

form-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
  tagName: 'form',
  attributeBindings: ['formAction:action', 'method']
});

form-component.template.hbs

{{yield}}

twiddle.json

{
  "version": "0.4.11",
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/1.13.11/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/1.13.9/ember-template-compiler.js"
  }
}