example.html

<button data-ember-action="1930" class="btn btn-blue 121313">Copy</button>
<input value="WOAH" type="text" class="form-control 121313">

example.js

var shortUrl = function(key) {
    var button, input;
    button = $("." + (key.get('key')))[0];
    input = $("input." + (key.get('key')))[0];
    return button.addEventListener('click', function() {
      input.select();
      return document.execCommand('copy');
    });
  }