title: how to assign id field in form_label CodeIgniter
body: <p>My question is in the title, how to assign id field in form_label CodeIgniter. </p>
  
  <p>I have form label : </p>
  
  <pre><code>echo form_label('Titre', 'titre');
  </code></pre>
  
  <p>Because I need 'id' to delete this label with javascript.</p>
  
  <p>Thanks,</p>
  
  <p>Vincent.</p>