New Twiddle

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  item: 'item',
  
  actions: {
    submitSpellingComponentAction(params, userEnteredAttempt) {
      alert(`params: ${params} \nuserEnteredAttempt: ${userEnteredAttempt}`);
    }
  }
});

templates.application.hbs

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

{{input type="text" id="attemptvalue" value=userEnteredAttempt class="form-control spellingattempt" placeholder="Listen and type the spelling of the word here ..."}}


<span class="input-group-btn">
    <button class="btn btn-default" type="button" {{action 'submitSpellingComponentAction' item userEnteredAttempt}}>Go!</button>
</span>

{{userEnteredAttempt}}

twiddle.json

{
  "version": "0.12.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.12.0",
    "ember-template-compiler": "2.12.0",
    "ember-testing": "2.12.0"
  },
  "addons": {
    "ember-data": "2.12.1"
  }
}