title: Hide of a hidden element...How bad?
body: <p>How bad is to do a hide of a hidden element?</p>
  
  <p>So, let's say the element <code>#myelement</code> is hidden, and I do a <code>$('#element').hide()</code>. Is that bad? Should I check if it's visible first?</p>
  
  <p>Thanks!</p>