New Twiddle

application.controller.js

import Ember from 'ember';

export default Ember.Controller.extend({
  actions: {
  	check() {
    	var inpObj = Ember.$('#name')[0];

      if (inpObj.checkValidity() == false) {
          alert('validity == fakse');
      }
    }
  }
});

application.template.hbs

{{input id="name" type="text" value=name placeholder="Your Name" required="true"}}
<br/>
<button {{action 'check'}}>Check</button>

input-validity.component.js

import Ember from 'ember';

export default Ember.TextField.extend({
});

input-validity.template.hbs

{{yield}}

twiddle.json

{
  "version": "0.4.16",
  "EmberENV": {
    "FEATURES": {}
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember.debug.js",
    "ember-data": "https://cdnjs.cloudflare.com/ajax/libs/ember-data.js/2.1.0/ember-data.js",
    "ember-template-compiler": "https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.1.0/ember-template-compiler.js"
  }
}