Alloy UI - button state

HTML

<script src="http://cdn.alloyui.com/2.5.0/aui/aui-min.js"></script>
<script src="https://cdn.alloyui.com/3.0.0/aui/aui-min.js"></script>
<link href="https://cdn.alloyui.com/3.0.0/aui-css/css/bootstrap.min.css" rel="stylesheet"></link>

<input type="text" id="shit1" value="" />

JavaScript

YUI().use(
  'aui-datepicker',
  function(Y) {
    new Y.DatePicker(
      {
        trigger: '#shit1'
      }
    );
  }
);