title: Hide options in a select list using jQuery
body: <p>I have an object with key/value pairs of options I want to hide/remove from a select list.
  Neither of the following option selectors work. What am I missing?</p>
  
  <pre><code>$.each(results['hide'], function(name, title) {                     
    $("#edit-field-service-sub-cat-value option[value=title]").hide();
    $("#edit-field-service-sub-cat-value option[@value=title]").hide();
  }); 
  </code></pre>