title: Data attribute value updated by jquery is not visible in DOM
body: <p>I am updating a data attribute by jQuery, Like:</p>
  
  <pre><code>jQuery('div').data('hidden', 'true');
  alert(jQuery('div').data('hidden'));
  </code></pre>
  
  <p>Data attribute value got changed and returned new value which is <code>true</code> but DOM is still showing the old value which is <code>false</code>.</p>